outboard motor sailboat

How to Calculate Outboard Motor Size for Sailboats

It seems so complex to pick the right engine size for your sailboat. I was done with complex calculations and tried to make it easier here.

How to pick the right outboard motor size for your sailboat? To get the right amount of horsepower needed to efficiently propel a sailboat, divide the displacement of the boat (in lb) by 550. You need approximately 1 HP per 550 lb of displacement or 4 HP per 2200 lb. Most sailboats don't need a motor with more than 30 HP.

In this article, I'm talking about small outboard engines for sailboats. We're talking about displacement hulls here, so in other words: keel boats. They need more power than flat bottoms.

But they're not powerboats - so it's not our mission to go fast. It's our mission to get decent speed, good control over the boat, and the best possible fuel efficiency. Without breaking the bank of course.

On this page:

How to pick the right motor size, other factors that are important for size, why is the right motor size important, is there a max hp for sailboats, in conclusion, related questions.

Sailboats need way smaller engines than powerboats. That's great news (unless your ultimate goal is speed), because it's cheaper to buy, cheaper to drive, and cheaper to maintain.

The amount of power you need is related to the hull displacement of your boat.

I like to use the simple formula:

HP = displacement (lb) / 550

So 1 HP for every 550 lb displacement, and 4 hp per 2200 lb.

Here, HP is the amount of horsepower you need to reach the maximum hull speed. This is in optimal conditions. So you have smooth water, no windage, a clean and polished hull, and so on.

If you want to get it absolutely right, you also need to correct for propellor size. And of course, a lot of other factors come into play (more on that later). But generally, these engine sizes will work with the following weights:

That sounds about right to me. But remember that these are all rough estimates: I just try to give you a ballpark figure. There is no one formula to get an exact number. The hull design, sailing conditions, and your personal preference are all very important.

If you're serious about getting a new engine, I definitely recommend to get advice from an expert . But you know, salespeople always recommend the Turbo version. Remember that you don't have to overpower a sailboat. Usually you don't need anything over 30 HP. So at least you now know what will work on average.

What is hull displacement?

• Hull displacement is the weight of the boat, or the amount of water the boat displaces.
• Maximum hull displacement is the weight of the boat when it's fully loaded, including crew.

The weight of the boat is the same as its displacement, because the weight of any object is exactly equal to the weight of the water it displaces (aka: pushes aside). This is called Archimedes Principle.

The weight slightly differs in saltwater from freshwater, because saltwater is heavier. In saltwater, the boat gets a bit lighter. So in theory you can use a smaller engine for a bluewater boat, but in practice this is offset by the stronger current and wind.

How to find the displacement of your boat?

Most manufacturers simply give you the displacement of your boat. If you can't find any data, because, for example, you own an old boat, you can weigh your boat on a truck scale. You can also haul it out and measure it (which is painstaking work).**

Tip: if you're gonna weigh your boat, simply drive it onto a truck scale, and retract the weight of the trailer from the total weight.

Of course, it's not so simple. This formula gives a rough estimate. But for me this was way clearer than all that black magic that I get when I ask people what size engine I should get.

Let's look at the things this formula doesn't take into account.

2-strokes are more powerful than 4-strokes. Two-stroke engines fire once every revolution and four-strokes fire once every other revolution. This makes the 2-stroke twice as powerful. They provide more torque at a higher RPM. But they also wear more quickly. The 4-stroke will last you a lot longer, and its also more fuel efficient.

The right propellor size is just as important as having enough horsepower. With a smaller prop diameter, it has to work harder to generate the same propulsion as a larger diameter. But you can't just go larger always. The prop affects the RPM of your engine, and you have to get in the right range (more on this later). You also have to check the maximum diameter that fits your boat.

Diesels have more torque, because the compression rate is higher than that of gasoline engines. So if you consider a diesel, you can do with less HPs.

High windage hulls (multihulls) need a bit more. A multihull (or larger hull in general) suffers from more friction because of the larger surface. So the engine needs to work a little harder.

If you sail longer distances under power , or against the wind it's a good idea to get a larger engine (but not too large). This helps you to save on fuel since you have lower RPM. Especially if you sail offshore or on open sea. The engine needs to work harder due to stronger wind and current.

If you're just sailing in and out of the marina under power, you may need less HP.

Smooth hull designs need less HPs than bulky hull designs, like the classic wooden clippers and crabbers for example.

It matters to get the right size outboard motor for a couple of reasons.

First of all: smaller engines are cheaper, so you save money on buying the engine.

Secondly: smaller engines use a lot less fuel, so you save money on using the engine.

Thirdly: smaller engines are cheaper to maintain: so you save money on maintenance.

So why not get the smallest engine and get the best fuel economy? There are a couple of advantages to getting a (slightly) bigger engine:

• More power means more control (easier to stop the boat, in case you need to)
• Finding the sweet spot might actually reduce fuel consumption

The sweet spot

To perform optimally, an engine should get up to speed. The problem with an overpowered boat is that the engine won't rev up to 80 - 90% of the RPM. This kills fuel efficiency and also the cooling system won't operate optimally.

• The optimal cruising RPM of the engine is about 85-95% of the maximal RPM
• You should reach cruising RPM at hull speed, so your engine should be at about 90% RPM

The propeller size is very important for the RPM. If your prop diameter is too wide, the engine can't get up to speed and struggles to build power. Bad for fuel economy, bad for the engine, and bad for performance.

On the other hand, if your prop is too small, you don't make use of the engine's full power.

If you struggle to get to high RPM, your prop is too large. If your engine is constantly in the red, you're underpropped.

So don't go too big on the prop, but also don't go too small. The easiest way to get it right is to check the engines manual and see what the manufacturer recommends.

You can definitely go too big on a sailboats engine. An overpowered yacht doesn't make any sense. True, it can look cool, but it can't feel cool. Every displacement hull has a maximum hull speed. That means that it cannot go any faster than the max speed. So if your engine can cruise at that speed, it's not getting any better.

The problem with displacement hulls is that they displace the water, or in other words: they push the water in front of them. They cannot move any faster than they can push away the water. And because the resistance increases as speed increases, there's an absolute, physical speed limit for each keelboat.

That's why powerboats have to get out of the water to reach top speed.

Fun fact: the longer your boat, the higher the hull speed. Want to know the maximum hull speed for your boat? You can find it in this article .

So, you can't go faster than your maximum hull speed, so a 50+HP engine is kind of ridiculous. Bear in mind that a large engine also has the following disadvantages:

First of all: larger engines are more expensive, so you spend more money when buying the engine.

Secondly: larger engines use a lot more fuel, so you spend more money when using the engine.

Thirdly: larger engines are more expensive to maintain: so you spend more money on maintenance.

Also, if your engine is too big, it doesn't reach the optimal cruising RPM, so your fuel economy also gets really bad FAST.

I suggest getting the smallest possible engine that gets you to maximum hull speed while it's at roughly 90% of the RPM. As long as it gives you enough control and good handling, it will get you there. If you give up on going fast, you can actually get really good fuel economy and your engine will last you probably 20 years.

If you want to go fast, a sailboat is not the right one for you. You should instead get a powerboat.

I'm just kidding. Read my 13 Reasons Why Sailing is Better Than Powerboating here .

Do sailboats have motors? Most sailboats are power assisted boats, which means they have a small auxiliary engine to cruise in light air. When a sailboat is sailing under engine power, it is considered a motorboat and it doesn't have right of way.

Thanks for answering my questions.

Taylor Bishop

Thanks for explaining how you can figure out what size you need for an outboard motor. You mentioned that you should find the displacement by weigh a boat on a truck scale. I’m interesting to learn if you need to regularly weigh it in case the hull displacement could change or if it will always be consistent.

Shawn Buckles

Hi MitI, you’re welcome, my pleasure.

Hi Taylor, my pleasure.

You don’t need to weigh your boat regularly, as the hull displacement will stay consistent. You could literally see the hull displacement as the amount of space your hull takes up in the water. So as long as you don’t make any major changes to the hull shape or ballast of your boat, you should see no differences in displacement.

Roger S Johnson

How do you measure for shaft size, most outboard motors are for flat bottom and say measure to the bottom of the boat, most sailboats tapper to the aft. Where do you measure for a tapered bottom sail boat?

Will a 5 horse Honda 4 stroke be ok for a 25 foot Pearson Commander sail boat. Thanks for your time Luke

I think it would be Luke.

Great post, thanks for the info. A naive question from a soon-to-be sailor: I’m considering buying a 28 ft sailboat, with 2500 kg (ca. 5500 lbs) displacement. The engine is in pretty good condition, but is old and the original one (from 1977!), so I am also thinking of an alternative scenario in which it fails. I know that in my area replacing an inboard engine will cost double the price I’m putting down for the boat, and since I’m on a budget, that simply won’t be an option and outboards seem to be cheaper. So the question is: is it possible to put an outboard engine on all boats? Is there some factor that would make it impossible to mount an outboard engine on the boat? Thanks!

Garth Powelson

What is minimum length that a sailboat can go without an outboard. Does a 29’ “require by law” to have engine?

Hello Mr. Buckles, Thanks for the informative article. I’m looking to get the smallest possible outboard for my 1.5 ton displacement fiberglass monohull Hood 23’ sloop. Can I get away with a 4HP?!? What size prop would I need?!? (I’m only going to use it when there is NO wind, and, if I can stay 4HP or below, I am not required to register my vessel—which is pretty cool, so here’s hoping!)

Thanks again, Ship

Hi, I’ve got a older Pearson 39’ . I’m looking to remove the old 40 ho westerbeke and go electric. Unsure of what hp is going to be needed?

emilio h javier

i am purchasing a catalina 22 ft. i have in mind a 4 HP motor. what would be the length of the shaft.

I am considering buying a 25 ft sailboat with a 7200 lb displacement. The boats top speed is listed at 7knots per hour but the diesel motor does not work. The owner has a 9.9hp outboard that can be purchased with the boat. Is 9.9hp enough to power the boat to at least 5 to 6 knots per hour? Thanks. Rick

What weight outboard would be too much for a 20’ Santana, displacement 1,350 lbs? I don’t want too much weight at the back. I want the boat to be seaworthy.

I have not seen this amount of BS in years :) I’m not a marine engineer, yet physicist & avation engineer. You even can’t tell the difference between mass of the vessel and diplacement :D Fcking genius.

Leave a comment

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Lightweight and Small Outboard Motors for Sailboats

• By Ed Sherman
• Updated: April 22, 2019

When you’re facing strong winds and you need to get somewhere fast, it’s time to break out a small outboard such as an aluminum genny. A dependable outboard that has enough horsepower to get you to the racecourse and back, yet is light enough not to be a drag on your race results, is invaluable. Most racing sailors don’t need as much horsepower as they might think.

An eight-horsepower outboard, for example, will push a 30-foot, 6,000-pound boat along at 6.5 knots. Anything bigger will weigh more than 90 pounds and isn’t suitable for lifting on and off the stern. Here’s our roundup of some of the best outboard motors for sailboats, and some help in deciphering what’s right for your boat.

We focus our attention on engines available under nine different brand names. Two of the best-known names, Johnson and Evinrude, have dropped out of the small-engine end of the market as part of parent company Bombardier Corporation’s restructuring of these two companies. Currently they’re advertising the availability of six- and eight-horsepower four-stroke models in 2003. Another dropout in the mini-engine market is Suzuki. Their smallest two-stroke is a five-horsepower unit and in the four-stroke configuration, a 9.9 horsepower. Brand and corporate shuffling aside, of particular interest is whether the companies that are building nine horsepower- and-below engines have incorporated four-stroke technology into the lower horsepower range, since it’s now beginning to dominate the mid-sized and larger outboard engine market. The answer to that is yes, to a point.

Two or Four Stroke Outboards for Sailboats

Outboards are either two or four-stroke engines, and the four-strokes have definitely gained favor in recent years for several reasons: they’re quiet, they use much less fuel, and they run more cleanly. Since no oil is mixed with the fuel, the classic two-cycle smokescreen isn’t a factor. In a four-stroke, the piston reciprocates inside the cylinder four times for each power stroke (that is, each time fuel combusts). Rather than opening ports cut into the sides of the cylinder, intake and exhaust valves controlled by a camshaft allow a fuel/air mix to enter the combustion chamber with the suction created by the piston as it moves inward in its cylinder. Exhaust gases are forced out of the cylinder as the piston moves outward.

By carefully designing the camshaft, engineers minimize the amount of time that the intake and exhaust valves are both open, considerably reducing the amount of unburned fuel that exits with the exhaust stream. The end result? Fewer emissions and greater economy.

But they do have at least one distinct disadvantage for the racing sailor, and that’s weight. For example, four-stroke engines in the five-horsepower category are about 20 percent heavier than comparable two-stroke engines of the same horsepower. The good news, however, is that only amounts to between 10 and 15 pounds, depending upon the engine. Four-stroke engines cost more, also, but the improved technology may be well worth it.

If you’re totally weight and price conscious, you’ll want a two-stroke engine. But, if you think you can lose the weight elsewhere, a clean, quiet four-stroke without the hassle of mixing fuel could be the answer. In fact, Mercury/ Mariner’s newest six-horse four-stroke engines are actually 18 pounds lighter than their older two-stroke equivalents–a testament to the benefits of improved design and technology.

Environmental regulations are pushing manufacturers towards four-strokes as well. Four-strokes meet emission control standards, and US Environmental Protection Agency regulations mandate that new outboard and personal watercraft engines reduce engine hydrocarbon emissions by 75 percent by 2006. Environmentally conscious sailors should look for either a C.A.R.B. (California Air Resources Board) “very-low” or “ultra-low” designator, or a specification indicating 2006 EPA compliance.

How Much Horsepower Do You Need?

The amount of power you’ll need depends on several key factors. The first consideration is the weight of your boat. The second is the boat’s wetted surface. Full-keel boats not only weigh more but also have more surface area to push through the water. My rule of thumb here is to start with a two-horsepower engine for small centerboard and keelboats less than 1,000 pounds, and add one horsepower for every 1,000 pounds of displacement. For more exact, albeit complex formulae, I suggest The Propeller Handbook by Dave Gerr (McGraw-Hill 2001).

Compare your boat’s dimensions against what existing classes have found to work; for example, a Melges 24 at 1,650 pounds is typically rigged with a three-horsepower short-shaft engine, while a J/80 at 2,900 pounds can still squeak by with a long-shaft, three-horsepower engine. A 1,790 pound J/22, on the other hand, typically uses a four-horsepower long-shaft engine. On the larger end of boats using outboards, you’ll find the outboard version of the J/29, at 6,000 pounds, requires a 7.5-horsepower long-shaft engine.

If you are intending to do some cruising, or even long deliveries to regattas, an option that’s available on some engines is a high-thrust propeller. On larger boats, this option can save weight over a bigger engine and really make a difference when trying to punch through a strong tide or headwind. High-thrust props cost more and are less fuel efficient–but they can save weight and give you more power.

Once you’ve determined how big an engine you’ll need, the next step is to begin comparing features in the given horsepower range you’ve selected. There are nine manufacturers included in our roundup, but some of their brands are identical products with different labeling. In the smaller sizes, the Mercury and Mariner brands are identical. As for the Nissan and Tohatsu engines, Tohatsu builds them all. Yamaha, Suzuki, and Honda all offer competitive products as well, but they’re all independent brands.

What to Look For in Lightweight Outboard Motors

In the small engine sizes, specific features to look for can be reduced to several key items. For some, having an integral fuel tank will be important. The smallest engines have integral tanks that hold only a quart or two of fuel–good enough for an hour or two of operation. No manufacturer lists fuel consumption because the size boat the engine is pushing and the wind and wave conditions vary widely. Compare the size of the tanks, and whether you can attach a remote tank for longer trips. The extra weight and space of a separate fuel tank will be a burden on smaller ultra-light boats.

The availability of long- and short-shaft versions in the horsepower size you need is also important. Honda for example offers 20 and 25-inch transom height (long or short shaft) right down to their smallest BF2 (two-horsepower) model. Mercury and Mariner only offer a 15-inch short-shaft version on their 3.3- and 2.5-horsepower engines. Shaft length is measured from the top of the bracket to the tip of the shaft–make sure your shaft is long enough to position the propeller and cooling water intake deep enough below the waterline to avoid cavitation when the boat pitches through waves.

Other specifications that are worth comparing are whether the engine is equipped with a simple forward and neutral gearshift or if the unit has a full functioning forward-neutral-reverse gear unit. If you’re going to be doing long deliveries to regattas, or in the larger sizes for a racer/cruiser configuration, consider whether or not a charging system is part of the engine package, and if so, it’s output. Will it be adequate to keep your battery recharged and power things like a tiller pilot and running lights? Also, on the larger engines check to see if electric starting is available, or offered as a standard feature. Having it can be the difference between pain and pleasure.

If you are racing in a strict one-design group, check any class rules that apply to outboard engines. Issues related to brackets, storage of the engine and/or alternative weight might be issues, so be sure to check with your class before making any final decision.

Ed Sherman is the author of Outboard Engines, Maintenance, Troubleshooting and Repair, International Marine/McGraw Hill and a contributing editor to Sailing World.

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Transom Brackets For Small Outboards: Fulton Rates Best

In our test of eight transom-mounted brackets, the fulton was the easiest to operate. garelick's model for motors up to 20 hp earns runner-up honors, and omc's unit deserves consideration..

The most common form of auxiliary propulsion for small sailboats is the outboard motor. On some boats, it is mounted in a well forward of the transom. Such arrangements conceal and protect the motor but may not allow it to be tilted up to get the prop out of the water when sailing. More common, perhaps is the mounting of a bracket on the transom. These generally have two positions—up and down—for lowering the motor’s prop into the water, and raising it. Brackets should be strong, durable, and, most importantly, easy to operate without having to hang out over the transom.

What Was Tested We rounded up eight brackets from five manufacturers—Fulton, Garelick, Triangle, Minn Kota and Outboard Motor Corp. (OMC). Prices ranged from $95 to $380. All are manually operated, except for the electrically powered Minn Kota.

Early on we discovered that your choice depends not only on the outboard’s horsepower and weight but also on whether it’s a two- or four-stroke. We understood why weight and horsepower make a difference but weren’t sure why a four-stroke would require a special, and subsequently more expensive, bracket.

“It’s the increased torque and thrust of a four-stroke,” said Jayson Klade, a Fulton Industries technical representative. The four-stroke’s greater force imposes more stress on the bracket; therefore it needs to be stronger than a bracket for a two-stroke.

How We Tested The main criteria for evaluation was ease of use, but also considered was the ease of assembly and mounting, quality of materials, price and instructions. We noted how sturdy each bracket was by shaking the motor from side to side and fore and aft while placing the bracket in several positions—a “wiggle test,” if you will. We also measured the range of motion, or vertical distance, of each.

To test, we collaborated with our sister publication, Powerboat Reports, whose editor owns a 21′ walkaround with a large outboard; his interest was mounting a small backup “kicker.”We had a local machine shop weld up a stainless steel plate that could be bolted to his boat’s transom and used to mount the brackets.

Three motors were used—a 2000 Nissan 5-hp four-stroke, a 1980’s-era 9.9-hp Mercury two-stroke and a 1970’s 15-hp Evinrude. We hauled the boat, mounted each bracket and tried all three outboards on each one.

What Was Found The three Garelick models, the four-stroke Fulton model and the OMC bracket included 3″ bolts; the other Fulton bracket came with 2-1/4″ bolts, too short for the 2-1/2″ thick transom. This was annoying as no one likes to interrupt a project with a trip to the hardware store.

Minn Kota and Triangle included no hardware.

Instructions that came with most of the brackets were fairly good, advising where to mount them so the outboard could perform properly. Minn Kota failed to offer this information, and the Triangle came with no directions.

All but one bracket—the two-stroke Fulton—offered clearance between the motor and the bracket handle when tilted. Most used some sort of spring as its primary lifting and lowering mechanism. All except the Triangle and Minn Kota included raised strips of polypropylene or stainless steel on the mounting boards to prevent the motor from sliding off.

We were surprised that OMC and Garelick’s instructions advised that the motor be taken off before trail-ering the boat. We figured the brackets would face much more stress at sea than rolling down the highway. But representatives from both companies told us otherwise. A bump in the road can cause more damage than a large wave, they said.

“The G-forces are greater on the road,” said Dean Devore, OMC director of product development.

Only one bracket, the four-stroke Garelick, came with a safety harness to prevent the motor from sinking to the bottom if it came off the bracket.

All Fulton and Garelick models offered at least four levels to adjust outboard trim. Two of the three Garelicks—the up-to-8 hp and up-to-20 hp models—included flange-type brackets that allow you to convert the unit from a negative transom setup (an angle greater than 90°) to a positive transom (an angle less than 90°, seen mostly on sailboats). But the conversion involves swapping the brackets, reversing their position and adjusting the springs. Each of the five adjustment holes represents a 7° increment.

With most of the coil-spring models, you must be very careful while operating the bracket when it is not mounted on the boat. The force of the springs is so great that you could seriously injure yourself if you trigger the release with a finger or hand inside the mechanism. Garelick’s instructions provide several warnings; Fulton’s instructions do not.

Fulton: Two-strokes up to 10 hp We found this model extremely difficult to raise, so much so that we had to put our left knee on top of the transom and our right foot in the motor well to gain enough leverage to move it. The difficulty stems from the unit’s lack of springs and the fact that you must simultaneously push the one-arm lever aft and up, which is very awkward. Lowering the unit wasn’t much easier.

Fulton representative Jayson Klade said the company recognizes this problem and may discontinue this model because of it. He said he has had calls from older owners who have had trouble moving a 2-hp outboard on this bracket.

The unit itself is solidly built, with an anodized aluminum bracket and a polypropylene mounting board. However, the bolts used to secure this board to the bracket were rusted. We suggest replacing them with stainless steel.

This was the only bracket that presented clearance problems. The Evinrude 15’s steering arm hit the bracket’s lever handle, and the Mercury’s choke smacked it when the motor was tilted.

Bottom Line: Not recommended, mainly due to the difficulty we encountered raising and lowering the unit.

Fulton: Two- and Four-strokes up to 30 hp This model, also anodized aluminum, was much easier to operate than its little brother, due to its four springs, 1-3/4″ wider stance and larger, two-arm lever. With all three engines, we needed only one hand to operate it.

However, we found two drawbacks. First, installation requires shimming (placing a 1″- to 2″-thick block of wood or aluminum between it and the transom) if mounted below the rubrail and on a flat transom, such as ours. Without a shim, the lever handle will hit the transom. In addition, shimming may require longer mounting bolts. Second, the springs obstruct eight of the 12 mounting holes, making installation more difficult. (Use a long screwdriver to bend the spring ends out of the way.) Fulton recognizes this design flaw and is working on it, said Klade.

Bottom Line: Recommended. The easiest to operate.

Garelick: Two-strokes up to 8 hp The body of this unit is stainless steel. Its four torsion springs helped us lift and lower it easily. You can also lessen the spring tension by cutting up to three of the four springs if lowering the bracket is too difficult due to the use of a light motor.

Click here to view the Transom Brackets Value Guide.

Our main complaint with this bracket was the sloppy play (fore and aft) in the up position encountered during the wiggle test. Even with its locking mechanism engaged, the bracket afforded too much play.

Bottom Line: Easy to use but its sloppy play is a drawback.

Garelick: Two-strokes to 20 hp This is essentially the same bracket as the smaller Garelick, except its longer body gives greater vertical travel, and it includes eight springs instead of four. We encountered no wobbling and found it to be even easier to operate than the smaller Garelick.

Bottom Line: Recommended. Only the Fulton four-stroke model is easier to operate.

Garelick: Two- and Four-strokes up to 30 hp This model is well-made and the only one equipped with two locks and a safety harness. Unfortunately, we had great difficulty lowering all three outboards.

The motors were not heavy enough to overcome the unit’s spring-loaded tension. Garelick says it becomes easier after you get the feel for it. We never did. The company does not advise cutting the springs on this model, so we have little confidence that it will work with motors up to 15 hp. We’d only use it for heavier motors, such as those from 20 to 30 hp.

We also discovered that this unit requires shimming to be installed on a boat with a flat transom. (Like the small Fulton, we were only able to mount it because the stainless steel plate acted as a shim.) The directions do point this out: “Add a 1″ shim if the release handle is at or below the rubrail or the top of the transom.” But some of the diagrams show a successful mounting on a flat transom. This is misleading and confusing to the installer.

Note: Garelick listed the wrong telephone number in the directions. The correct number is listed at the end of this story.

Bottom Line: Recommended only for use with engines from 20 hp to 30 hp.

OMC: Two- and Four-strokes up to 15 hp Unlike the Fulton and Garelick brackets, this model operates with a gas-filled cylinder. It was easy to operate, accomplished by moving a small lever with a red handle to positions marked “raise” or “lower.” To lower, simply jerk the motor up slightly and push down; to raise, push down on the motor, and the lift unlocks and rises. However, unlike most of the others, the OMC does not have multiple positions for engine trim—only two, up and down.

“We’ve found that most people only use one level anyway,” said OM’s Devore. “Rarely do they want to change settings.” For $380, the most expensive motor lift in our group, the consumer might prefer this option. (The device’s shock alone costs about $100, according to Devore.)

Like Garelick, OMC warns against trailer travel with the engine on the boat. It goes a step further, though, advising the owner to attach a rope to the engine in “choppy water,” suggesting to us that the manufacturer is not very confident of its product. “Perhaps that could be worded better; we are just being overly cautious,” said Devore.

OMC recently introduced a larger bracket made of die-cast aluminum (the model we tested is a combination of die-cast and stamped aluminum) for outboard motors up to 125 pounds that retails for $380.

Bottom Line: Works very well, but price is a drawback.

Triangle: Up to 10 hp This unit came without hardware or directions. Its wooden mounting board is susceptible to rotting because raw wood is exposed on the inside of its four mounting holes. In addition, we couldn’t safely attach the 9.9-hp Mercury because the 7″-wide mounting board was too narrow. The circular pads of the engine’s bolts hung off the plate. With no directions, we weren’t sure whether this bracket could hold four-stroke engines. We called Triangle, and a representative ruled them out.

Another concern is the spring on this stainless steel unit; it failed to hold the weight of the Nissan and Mercury motors. We discovered this abruptly when the Nissan came crashing down after we had released the locking mechanism. Needless to say, we believe that this bracket needs a stronger spring.

Bottom Line: Not recommended, due to its weak spring, very narrow and unprotected wooden mounting board.

Minn Kota: Two- and Four-strokes up to 20 hp This was the only electrically powered (12V) bracket tested. We found installation easy, the directions simple and the motor, which turns a jack screw to raise and lower the mounting board, worked effectively.

Even though this unit is listed in the West Marine catalog, it is not intended for saltwater use, which explains the steel components (only the mounting board is anodized aluminum). Minn Kota may come out with a saltwater version in 2002, said spokesman Dave Golladay.

We thought the electrical connections were inadequate (for salt- or freshwater use), especially the two spade connectors that attach to the unit’s motor. They are directly exposed to the water.

The silicone meant to protect the motor’s housing was sloppily applied, hanging off and failing to cover certain spots.

The Minn Kota flunked our wiggle test. The two arms attached to the jack screw don’t offer enough support. We would attach a third arm—there’s room.

The jack screw is a potential problem, too, because it sticks out when the unit is up, leaving it open to be struck by the corner of a dock or other solid structure. Golladay said, “These are all very good points. We’re trying to enhance that product line. Our primary focus is trolling motors.”

Bottom Line: Not recommended. An automatic bracket is a great idea, and one we’d like to see developed, but the Minn Kota’s subpar materials and construction make it difficult to recommend.

Conclusion The Fulton four-stroke bracket is our top choice for any size outboard. It does require some shimming, but its solid construction and ease of use place it ahead of the pack.

Our runner-up, the Garelick (up to 20 hp) was extremely easy to use, and it’s $60 less than the Fulton. But it’s limited to two-stroke engines, which leads us to this point: Because four-strokes are becoming more popular, it does not make sense for manufacturers to continue producing brackets for two-stroke use only. We think it only confuses the consumer. (For instance, we’ve received reader letters asking why some motor lifts are restricted to two-stroke motors.)

Case in point: A 5-hp four-stroke does not produce as much torque as a 20-hp two-stroke, and yet the Garelick (up to 20 hp) restricts all four-strokes.

The OMC bracket was also impressive, but you have to be willing to pay. The smallest Garelick worked well, but its failure in the wobble test is a concern.

We don’t think you should consider the other models because they had, in our opinion, too many flaws.

Contacts- Fulton Performance Products, Inc., 50 Indianhead Drive, P.O. Box 8, Mosinee, WI 54455; 715/693-1700. Garelick, PO Box 8, 644 2nd St., St. Paul Park, MN 55071; 651/459-9795. Minn Kota, Johnson Outdoors, 706 Holly Lane, Mankato, MN 56001; 800/227-6433. OMC, 3225 Prairie Ave., Beloit, WI 53511; 847/689-5630. Triangle, Inc., 51 Fernwood Lane, Roslyn, NY 11576; 516/365-8143.

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Working with High-Tech Ropes

i have a 19 foot sail boat with a 5 hp nissan ob. the Garelic a bracket MN 10470 (not sure of MN). The main issue is the grommets spacers corrode within 2 seasons . I sail in salt/brackish water. I complained and they gave me a discount on another one they said better modle. It did the same thing. Not sure what to get now that I purchaesed a 6 hp Tahatsu that is heavier 55lbs.

Anyone know where I can buy a gas cyclinder for the OMC bracket

Darrell, what about short shaft vs long shaft outboards? Can I use my short shaft 15 Hp Evinrude on a sailboat with a bracket?

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Electric outboard motor: we test 13 options

• Theo Stocker
• July 25, 2023

An electric outboard motor is now a viable option for dinghy propulsion. Emrhys Barrell puts the latest outboards and trolling motors to the test

The electric outboard motor has been around for many years, but they have either been too low powered or their lead acid batteries have made them too heavy to lift in and out of a small tender, so petrol outboards have remained the engine of choice.

The development of lightweight lithium batteries has changed all this, making an electric outboard motor a practical alternative to petrol – and making all electric yachts a real possibility too.

With this in mind, we tested 12 models whose all-up weight, or the weight of their individual components, did not exceed the 14-17kg of a 2.5hp petrol outboard.

See how we tested the electric outboards at the end of this article.

Best electric outboard motor

Specifications Outboard weight:   12kg Overall weight with outboard and bracket: 14.5kg Battery capacity: 1085Wh Top speed: 5kts Thrust: 30kg / 66lbs

Designed along the lines of a dinghy rudder, this Remigo outboard is incredibly easy and intuitive to use. No external cables or anything to be snagged, it clips onto a bracket pre-mounted to your tender or dinghy, in a similar way that you’d attach a  dinghy rudder.

Flip down the handle, attach the magnetic kill cord and you’re good to go.

On test this outboard gave as much thrust as the ePropulsion below but out performed it in terms of maneuverability. The Remigo can be switched from forward to reverse thrust at the touch of a button.

We like the Remigo for it’s sleek simplicity. If you want a clean smart easy to carry outboard to take you from your mooring to shore or quietly meander from your anchorage to shore then this is definitely worth considering.

We especially liked the rudder effect of this outboard giving us steerage even we had turn the power completely off to coast in alongside our pontoon.

Read Fox Morgan’s review of this outboard – Remigo One Electric Outboard review

Reasons to buy

very easy to stow, innovative rudder design, lightweight, built in battery, easy to mount and dismount

Reasons to avoid

No multiple battery swap options like more conventional electric outboards

Find a dealer at Silent Yachting

Photo: Paul Wyeth

ePropolsion Spirit 1.0 EVO

Yachting Monthly’s best buy

Specifications Motor weight:   10.5kg Battery weight: 9kg Battery capacity: 1276Wh Top speed RIB: 4.5mph Top speed skiff: 6.0mph Thrust: 31kg/68lbs

The Chinese firm ePropulsion has been developing its electric outboard motor range and lithium batteries for some time. We tested the Spirit 1.0 Plus and Evo, both 1kW motors with integral batteries.

Clearly ePropulsion was influenced by Torqeedo, but there are some important differences. From the outset ePropulsion went for a direct drive motor, being quieter and avoiding gearbox problems.

The battery has a greater capacity than the original Torqeedo, and is still 30% higher than the latest version. It also floats – useful if you should drop it overboard.

Fitting the battery is a two-handed job, with the carrying handle being at the back, and latch lock at the front, which requires leaning over the transom to install it. You also cannot see the locating slots underneath, which isn’t quite so easy in a bobbing inflatable. The power cable socket is protected by a rubber cap.

You have a display, but it only shows power being consumed, voltage, and remaining runtime, which means it has larger figures, easier to read on a sunny day, but it lacks GPS speed or range.

It has the same trim settings as the Torqeedo, with a similar fiddly retaining split ring. It also has a magnetic kill cord. Three shaft lengths are available, catering for transom heights up to 61cm. The shaft is streamlined but rotates through 360º for maximum manoeuvrability and reverse.

High battery capacity Quiet 360º rotation

Limited display options

Buy it now from epropulsion

Yachting Monthly’s best in class

Specifications Motor weight:   10.5kg Battery weight: 9kg Battery capacity: 1276Wh Top speed RIB: 4.5mph Top speed skiff: 6.0mph Thrust: 68lbs Regeneration: 4 knots – 40W / 10 knots – 300W

The 1.0 EVO has the same dimensions and performance as the Spirit, but it has the options of a removable tiller, plus remote controls and steering, but the real innovation is that it offers regenerative charging while you are sailing, putting 40W at 4 knots, and 300W at 10 knots back into the battery.

You can even have a wristband remote for steering and throttle.

The ePropulsion Spirit 1.0 EVO is undeniably more expensive than it’s little sister without the regenerative charging and the cost difference is significant. If you are likely to be doing a lot of sailing and using your electric motor from ship-to-shore in relatively remote locations then the regeneration will probably be worth it. For most, though the price differential is probably a little too steep.

Regenerative charging Removable tille Remote controls

Relatively expensive

Torqeedo 1103 and Torqeedo 603

Torqeedo 603 specifications Motor weight:  11kg Battery weight:  4.2kg (floats) Battery capacity: 500Wh Top speed RIB: 4.0 mph Top speed skiff: Not tested Thrust: 44lbs

Torqeedo 1103 specifications Motor weight:  11kg Battery weight:  6kg Battery capacity: 915Wh Top speed RIB: 4.4mph Top speed skiff: 6.0mph Thrust: 68lbs

Torqeedo was the first company to commercially produce an outboard with an integral lithium battery in 2005. The earliest motors used a high-revving geared motor, which produced a characteristic whine. Following the launch of its new larger battery, Torqeedo changed to direct drive at about the same time that ePropulsion arrived on the scene.

The 1103 is 1.1kW and has a removable battery and tiller/throttle. The battery locates in slots in the powerhead and can be dropped in one-handed, with the slots clearly visible from above, which is helpful in a rocking dinghy. It then hinges back and locks in place with a separate plastic pin. The tiller locates in similar slots.

The two are then connected to the motor by a power cable and a data cable, but the latter has an 8mm plug, with five tiny pins that have to be carefully lined up, then secured with a threaded plastic collar. Neither of the sockets have caps to prevent debris or water getting into them when the cables are not connected.

The display on the tiller shows four lines of data at the same time, which makes them small to read (a phone app can be used for a large display). They include volts, battery capacity, range at a given speed, speed in kts, mph or km/h, and power consumption in watts. A magnetic kill-cord cuts the power circuits if you fall overboard.

The motor has four trim positions to allow for angled transoms, but the split ring securing the locking pin is very stiff and fiddly, especially when you have to adjust it hanging over the transom. A side-mounted lever allows the motor to be tilted horizontally. In normal use a catch prevents the motor kicking up in reverse, but this can be released with another side-mounted lever if you are in shallow water.

Long and short shaft versions are available, with the height of the transom to the top of the prop on the long shaft being 62cm. Clamps screws and fittings are stainless steel, making it suitable for salt water use, but an anode is an extra. It has forward and reverse but not 360º rotation.

Established brand with relatively long history Removable battery and tiller Lots of display options

Display hard to read

Buy the Torqeedo 603 now from Torqeedo Buy the Torqeedo 1103 now from Torqeedo

Best Trolling motors

Haswing Ultima 3

Specifications Motor weight: 11kg Battery weight: 5kg Battery capacity: 600Wh Top speed: RIB 4.0mph Top speed skiff: Not tested Thrust: 51lbs

Haswing is a new name to us, but this Chinese manufacturer now has an extensive range of motors, several of which we were able to bring along to our test.

The Ultima 3 has an integral Lithium battery and an output of 1,000W, with the ‘3’ in its name indicating the 3hp petrol outboard its makers claim it is equivalent to. The battery is 600Wh.

The battery was the easiest of all in our test to fit and remove, just sliding down a set of grooves, with contacts in the bottom removing the need for any linking cables or wires, and an easy one-handed operation.

The unit is well engineered, with stainless steel used throughout plus an anode as standard, making this suitable for use in salt water, and a spare anode and shear pin. The tiller/throttle hinges up and down for easy operation and storage. It has a streamlined aluminium leg, but rotates 360º.

A magnetic kill cord is a useful safety feature, and there are 5 LEDs showing battery capacity remaining, but this is the only instrumentation, so there is no way of gauging how much power you are using. It also meant that with no exposed power cables, we could not measure intermediate power settings.

Easy to fit battery Anode as standard for salt water usage High end materials

Limited instrumentation

Buy it now from Amazon

Motorguide Varimax 40

Specifications Motor weight:  9.1kg Battery (Sterling 60Ah) – 8kg Battery capacity: 780Wh Top speed RIB: 3.2mph Top speed skiff: 4.0mph Thrust: 28lbs

Another trolling motor, this has a claimed 40lb thrust and a variable speed electronic control. The throttle pulls forward for ahead, and pushes back for reverse then twists in the same direction for speed. A clever feature once you get used to it. Ten LEDs show the battery state.

The sliding shaft gives transom heights up to 65cm transom to prop, and 360º rotation. It also quickly tilts through 90º, with 5 positions, for shallow or weedy water.

Clamp screws and fittings are mild steel, meaning you should wash it off with freshwater after using it in the sea.

Clever throttle control Variable transom heights accomodated

Quite basic in functionality

Haswing Osapian 55

Yachting Monthly’s best budget buy

Specifications Motor weight:  9kg Battery weight:  (Sterling 60Ah) 8kg Battery capacity: 780Wh Top speed RIB: 3.3mph Top speed skiff: 4.4mph Thrust: 35lbs

This is another trolling motor with a claimed 55lb thrust, but with five forward speeds and three reverse on a twist-grip throttle. Again, it is a well-engineered motor, with all fittings and clamp screws made of stainless steel, an anode behind the prop and a spare in the box.

Five LEDs show the battery state. The sliding shaft gives transom heights up to 62cm, and 10 tilt positions.

As with all click-speed throttles you have double the power at Setting 5 compared to Setting 4, and very poor range figures at intermediate speeds compared to motors with electronic throttles.

However it is an excellent value-for- money option for sailors looking for ways to power their tender for short trip

Well engineered Value for money

Poor range at medium speeds

Motorguide SW82

Specifications Motor weight: 13kg Battery weight: 16kg Battery capacity: 1,560Wh Top speed RIB: 4.0mph Top speed skiff: 5.5mph

Motorguide is a well-established US company that is part of the Mercury/Mariner group. The most powerful of the transom mount range, the 82 has a claimed thrust of 82lbs, and is a 24V unit requiring two 12V batteries in series.

It is also designed for saltwater use, with stainless steel clamp screws and fittings, and a large anode on the shaft. It has an extra long shaft, giving up to 93cm transom height to the prop, 360º rotation, and seven tilt positions There are no battery LEDs. An on/off switch under the control head is the nearest it gets to a kill switch.

Well known company Powerful Anode for salt water

No battery LEDs

Haswing Protruar 1

Specifications Motor weight: 9kg Battery weight: 8kg Battery capacity: 780Wh Top speed RIB: 3.4mph Top speed skiff: 4.5mph Thrust: 40lbs

Another Haswing requiring a separate 12V battery, this has a variable speed electronic throttle, and similar features to the Protruar 5, except no kill cord. It claims to be equivalent to a 1hp petrol motor, but in practice delivered 600W.

The sliding shaft only allows transom heights up to 40cm, but a longer shaft version is available. It has 10 tilt positions and 360º rotation.

Another well engineered unit, with stainless steel used throughout plus an anode as standard, and a spare anode and shear pin. The tiller/throttle hinges up and down for easy operation and storage.

Anode for salt water use 360º rotation

No kill chord Limited transom height range

Haswing Protruar 5

Specifications Motor weight: 14kg Battery weight: 16kg Battery capacity: 1,560Wh Top speed RIB: Not tested Top speed skiff: 6.1mph Thrust: 108lbs

Another Haswing, the Protruar 5 is the most powerful model we tested. The unit is extremely well engineered, with stainless steel used throughout for the clamp screws and fittings, plus an anode as standard, making this suitable for use in salt water. A nice touch is the spare anode and shear pin in the kit. The tiller/throttle hinges up and down for easy operation and storage.

Its 5 designation indicates its makers think it is equivalent to a 5hp petrol motor, but in reality it delivers around 2.5kW at 24V so requires two separate batteries. It has a variable electronic throttle, three battery state LEDS and a magnetic kill cord.

The shaft slides up and down, giving a maximum transom height of 62cm and 360º rotation. Ten tilt positions are quickly engaged by a squeeze lever.

The thrust was the highest of the test, making it suitable for heavy boats, but the fine pitch prop significantly reduced its efficiency at speed.

Powerful model Anode for salt water use Battery LEDs and kill chord

Needs two batteries for full power

Motorguide R3 45

Specifications Motor weight:   9.5kg Battery weight: (Sterling 60Ah) 8kg Battery capacity: 780Wh Top speed RIB: not tested Top speed skiff: 4.1mph

This trolling motor has a claimed thrust of 45lbs and five forward speeds. The sliding shaft gives transom heights up to 65cm and 360º rotation, with seven tilt positions. Clamp screws and fittings are mild steel, so should be washed after saltwater use.

The click-speed throttle gives non-linear power gaps, with Speed Setting 5 being double the power of Setting 4. This throttle arrangement results in poor range figures at medium speeds compared to motors with electronic throttles, but it keeps the price down.

360º rotation Plenty of transom height range

Minn Kota Endura Max 55

Specifications Motor weight: 9.5kg Battery weight: (Sterling 60Ah) 8kg Battery capacity: 780Wh Top speed skiff: 4.6mph

Minn Kota is one of the oldest makers of trolling motors. The Max 55 has a claimed 55lb thrust, with a variable speed electronic twist-grip throttle.

Clamp screws and fittings are mild steel, making it best suited for freshwater, though you can use it in the sea if you wash it off afterwards.

It has a fine pitch prop like all trolling motors, which gives a good static thrust, but efficiency, and hence range, falls off at higher speeds, though the electronic Maximiser throttle helps to offset this.

Electronic maximiser throttle helps offset range issues

Big range drop off at high speeds Needs washing after salt water usage

Buy it now from MinnKota

How we tested the electric outboard motors

We took a selection of electric outboard motor units available on the market, and tested them in two situations, firstly on a Frib 275 folding RIB on the Lymington River to reproduce the situation of getting out to your boat in the tender. We then put them on a 4m skiff on the Thames, to see how they perform at higher speeds on a boat with a smoother underwater form and longer waterline on sheltered waters.

Speed: We measured speed using a handheld GPS, and electricity consumed using a clamp ammeter or the motor’s inbuilt power display. We converted these to the range you would achieve, either for a given power, or the full power of the motor’s battery.

Thrust: We measured static thrust using a spring balance. This is a somewhat crude test, as it measures the pulling power of a motor in a static boat, and therefore doesn’t allow the propeller pitch to work at its designed speed.

Function: We checked the stated weights of each of the motors and made a qualitative survey of their main features when used as a dinghy outboard.

We tested the trolling motors with a 60Ah lithium battery from Sterling Power, which cost £360, though you can use a heavier lead acid battery costing around £120 for a good quality AGM or gel. Don’t bother with leisure batteries, which will fail after 4 to 5 trips. You will need a good quality Lithium charger, which will add on £100 or more.

We haven’t included charging in this test, as this is dependent on the charger you are using, whether you are charging from 240V or 12V on board, and whether the power source is mains, a generator, alternator or solar. It’s worth noting that you will rarely be recharging from flat, and will rather be aiming to top up batteries after each use.

Trolling motor or electric outboard motor?

The options today are trolling motors with separate batteries – so called because they were mainly used as auxiliary slow-speed power for anglers, and integral-battery motors built for dinghy propulsion. These are the options a sailor will be looking at when thinking about changing to an electric outboard.

Trolling motors are still popular for low-speed applications, as they are simple and cheap, but they do need a separate 12V battery.

The integral battery motors are sophisticated units designed to give you more speed and greater range for a given power in a small boat, though for any 3-4m boat, the hull speed will limit how fast you can realistically go with any motor unless you start planing.

An electric outboard motor with an integral battery will often include displays showing speed, range at a given speed, and percentage of battery capacity remaining, but these features come with a higher price tag.

The trolling motors and integral battery models in our test were similar in weight and both come in at around the same total weight as a 2.5hp petrol engine.

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What Size Outboard Motor for What Size Boat? (Boat Horsepower Chart)

Once you buy a boat you want, it is time to determine what size outboard motor for what size boat. As you can guess, there is no magic formula for estimating it precisely, but you can get rough numbers when you check relevant information.

You should start with a boat type , a maximum passenger number, and the equipment weight you plan to carry. Then, you can determine the maximum horsepower recommended for your vessel. Finally, think about 2-strokes and 4-stroke motor options, right propeller size , and fuel type. Sounds complicated? Let’s make it easier!

Table of Contents

Motor Size Matters

Things to consider when selecting an outboard boat engine, ways of pair an outboard motor with your boat size.

Yes, an engine size matters , and it is crucial to pair it with an adequate boat size to let it run smoothly.

Bigger motors with higher horsepower offer numerous benefits for comfortable boating, such as:

• You can sail at high speed
• A more sizable engine provides better handling, particularly when sailing at midrange speeds
• It makes water sports cozier
• You can count on better time maneuvering
• Such an engine will give you better control and provide more secure sailing in harsh weather condition
• Surprisingly, a motor with a bigger fuel tank uses less fuel

Downsides of a small engine

A too-small engine typically has difficulty powering a bigger boat so it will spend more fuel than a bigger model. Another problem is sailing with more passengers and equipment since extra load requires a motor with more horsepower.

Therefore, you should check the max HP a boat can handle before purchasing. That rating will show you a top weight it can carry, and you can risk uncomfortable and unsafe sailing, plus possible Coast Guard fines when exceeding it.

The vessel horsepower ranges from 2.5 to 1,000+ HP for contemporary outboard motors . You should pick out the most powerful one your boat can handle to provide smooth and comfy sailing.

Horsepower is used to measure the engine power. On average, your vessel will need 5 HP per 2,200 pounds (1,000 kg) its weight. Small boats shouldn’t use more than 75% to 80% of the max HP because of the possibility of rough waters and headwinds while sailing.

Only that way, you can count on enough thrust to drive as desire. You should think about a few things when determining how much horsepower your boat needs, including:

Manufacturer limits

Manufacturers’ recommendation always shows a maximum passengers number and cargo weight your boat can carry. You can also find the absolute max boat HP in the manual.

If you have a boat built after 1972, you can find a capacity plate with this information inside the transom. Older vessels, home-built models, and those made overseas typically don’t have that plate.

However, you can contact the manufacturer or look for their manuals online to discover limitations and recommendations for your boat.

Horsepower-to-weight ratio

The only way to precisely determine your boat’s necessary horsepower is to consider its weight. You can calculate this ratio in horsepower per pound or vice versa.

HP/boat weight = required horsepower per 1 pound (0.45 kg)

boat weight/HP = number of pounds per horsepower

Let’s say you have a boat weighing 5,000 pounds (2,268 kg) with an engine of 300 HP. The calculation will look like:

• 5,000 pounds / 300 HP = 16.6 pounds (7.5 kg) per horsepower
• 300 HP / 5,000 pounds = 0.06 HP per 1 pound (0.45 kg)

You should do the math to match the desired outboard engine with your boat size correctly. The result will show how fast your boat will go since its speed will be higher when these numbers are lower.

Horsepower your boat needs will also depend on its use. Any additional equipment weight or pulling water skiers behind the vessel increase the power it needs.

Number of passengers

In this case, the rule is simple. Your boat engine will work properly only when it carries 25 to 40 pounds (11.5 – 18 kg) per horsepower.

Once you have this information, you can check the boat weight and add the total weight of the passengers you plan to host on it. Then, you can effortlessly determine engine HP that matches your boat.

Fuel efficiency

As you can guess, the motor HP impacts the boat’s fuel efficiency, but that doesn’t mean a higher-horsepower engine necessarily consumes more fuel.

For instance, your motor with lower HP will use more gas at full throttle than the one with higher HP running with less throttle.

Engine type

Both 2-stroke and 4-stroke engines are good options. You should choose one or another, depending on the feature crucial for you.

The rule of thumb is that 2-stroke motors are lighter and less expensive, while 4-stroke models with the same power are quieter. However, these differences are diminishing nowadays.

Engine weight

One of the vital things is to match the outboard engine weight and boat size . That way, you will ensure sufficient power for the desired speed without jeopardizing safety and maneuverability.

Most 2 to 10 HP outboard engines weigh 35 to 90 pounds (16 – 41 kg). On the other hand, you should count on 100 to 160 pounds (45.5 – 72.5 kg) for a 20 to 30 HP motor. In this case, you can have a problem carrying a too heavy engine around.

Required speed

The rule of thumb is that your boat needs more power to reach a higher speed. The equation says that 1 HP can move 40 pounds (18 kg) of boat weight at 20 mph (32.2 km/h). According to that, you can calculate that your boat weighing 2,000 pounds (907 kg) needs 50 HP to reach the speed of 20 mph (32.2 km/h).

Federal regulations

In the US, it is illegal to overpower your boat. The Code of Federal Regulations clearly defines vessel overpowering, so you should check it before getting into a situation to break federal law.

You should know that your boat’s horsepower directly affects its insurance , and models with higher HP typically has higher premium costs. Keep in mind that the insurance company won’t cover a boat with an upgraded engine that exceeds the max HP recommended by the manufacturer.

The best way to properly pair an engine with a boat of a particular size is to determine its horsepower.

2 to 3.6 HP engine  

These small, less than 40 pounds (18 kg) weight, 2-stroke outboard engines are an excellent option for portable boats, like:

• Inflatable boats
• Small pontoons
• Small sailboats

They can push small boats at 5 to 9.5 mph (8 – 15 km/h), depending on weather conditions, current, as well as boat weight and design.

5 to 6 HP engine

This horsepower range is ideal for boats weighing 8 to 11.5 pounds (18 – 25 kg), including:

• 12 feet (3.65 m) long inflatable boats
• Portable folding boats
• Large canoes
• 8 to 12 feet (2.5 – 3.65 m) long inflatable and dinghy boats

Such an engine can propel your vessel with one person at 10 to 17.5 mph (16 – 28 km/h).

8 to 9.8 HP engine

You should pick out this small but powerful 11.5 to 20.5 pounds (25 – 45 kg) heavy outboard engine for your:

• 10 to 14 feet (3 – 4.5 m) long inflatable and aluminum boats
• Large portable folding boat and sturdy canoe
• Up to 14 feet (4.5 m) long light fiberglass boats

An outboard motor in this range is an excellent option for propelling a boat carrying a light load and two people at 9.5 to 17.5 mph (15 – 28 km/h).

15 to 25 HP engine  

Although powerful, these 16.5 to 23.5 pounds (36 – 52 kg) heavy 4-stroke outboard engines are still in a small outboard HP class. They are an excellent choice for:

• 10 to 14 feet (3 – 4.5 m) long inflatable boat
• 12 to 16 feet (3.65 – 5 m) long Jon boat , fiberglass boat , and aluminum fishing boat

These smooth-running engines can propel most boats to 25 mph (40 km/h) when carrying several people and heavy loads.

Whatever boat type you have, you should buy the smallest possible outboard engine that can allow a max hull speed with 90% of the revolutions per minute. Unless you want a higher-speed boat , you can use your 20 HP engine for twenty years and get an excellent fuel economy.

Related posts:

• 6 Tips to Buy a Small Boat Motors
• What Should You Do Immediately If a Boat Motor Catches Fire? (Causes & Prevention Tips)
• How Much Does A Boat Motor Cost? (3 Types)

10 Best Small Outboard Motors

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The lower the “hp/lb” value, the faster the boat. For example, you have a 3,000-pound boat with a 200-horsepower outboard motor. A pound will correspond to 0.067 HP.

The weight boat is one of the variables to consider when finding the maximum horsepower. Calculating the ratio between horsepower and weight is straightforward. You only need your boat’s weight and its boat HP rating.

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4 Best Electric Outboard Motors

Taking a small dinghy with an electric outboard motor on your sailboat can provide a means of quick and reliable transportation.

While electric outboard motors can have difficulty moving full-size sailboats around, they are more than powerful enough to get a small dinghy going fast. While trolling motors are only good for slow speeds, an electric outboard motor can get a boat going fast as long as the boat is small enough.

Electric outboard motors can be a better choice than gas motors. As well as being powerful enough, they are lighter, more compact, and more reliable. You can count on motors from ePropulsion and Torquedo to last for a while.

If your sailboat is large enough, you should always take a dinghy with you. As well as being a potential lifesaver in an emergency, a dinghy is useful any time you need to drop anchor and make it to shore. A dinghy with a motor is cheap compared to a sailboat, so a sailor should always have a dinghy with them.

Table of contents

How fast can you go with an electric outboard motor?

If you are running a powerful motor on a small boat at full speed, you might be able to do 15 knots or better. Usually, you won't go that fast when you are in a dinghy and running an electric motor.

If you want to make it as far as possible, you will run the motor on much less than full power. Fifteen knots is what you might get if you are running a powerful 6000 watt motor on a small boat. Normal speeds are slower - you might move at less than five knots if you want to travel as many miles as possible before the battery dies.

How far can you make it in a dinghy with an electric motor?

Something like 20 miles is a rough, ballpark figure, although with some motors, you might be able to make it 70 miles at a slow speed. Don't take any risks when it comes to whether or not your battery will run out in the middle of the sea. Be on the safe side.

You will do much better if you run your motor at a slower speed. If you run your motor as fast as possible, you might make it only a fraction of the maximum distance before your battery runs out. Distances high above 20 miles are sometimes possible if you go slow, although it depends on the boat and the motor.

How is power measured for electric motors?

The power of an electric motor is usually measured in watts, not horsepower. Sometimes the power of an electric motor is given in horsepower, but usually in watts.

Boat motors vary greatly in how powerful they are. A motor that is only 10hp, 5hp, or 3hp is common even though outboard motors can be 20hp or more.

Usually, you can go more like 5 knots than 15 knots with an electric or gas motor. To go 15 knots, you might need something like a 100hp motor - this is too expensive and not what people are likely to put on a small dinghy.

What are the advantages of gas motors?

In the long run, electric motors can save you money because it costs less to keep them running. After the first few years, electric motors are the cheaper choice.

The maintenance cost per hour of use is much higher for petrol motors. After only a few hundred hours of use, a petrol motor's cost will exceed the cost of an electric motor.

One disadvantage of electric motors is that they run on batteries, which take time to charge. You will have to charge your batteries overnight, compared to quickly refueling a gas engine.

One way out of this problem is to use a solar charger. With a solar charger, you can charge your batteries anywhere as long as the sun is out.

Electric outboard motor advantages

As well as being effectively cheaper than gas motors, electric motors are much quieter. Compared to a gas engine, an electric motor is almost silent. You will hear almost nothing and will not scare fish away.

Electric motors are also much cleaner to deal with than gas motors. If you use an electric motor, you won't have to deal with engine grease. You can get engine grease on your boat and not just on your hands and clothes with a gas motor.

Gas motors also have exhaust fumes, so an electric motor is better for your health. Electric motors are also simpler than gas motors, so you won't have to repair them as often.

Is it possible to buy high powered electric outboard motors?

Yes, you can find an electric motor with a power equivalent to an 80 horsepower gas engine. Not many people put such powerful motors on their dinghies, though. Dinghies mostly have weaker motors, often less than five horsepower.

Is it easy to break a propeller if you hit something?

You can definitely do expensive damage to a propeller if it hits a rock. A small bump won't damage it - most propellers are made well and are reasonably durable. If your motor does not come with a propeller guard, you should buy one separately.

Are 3hp motors good enough for many boats, or are they too weak for most purposes?

If you are using a small dinghy that weighs less than two tons, and do not intend to go very fast, a 3hp motor is good enough. You can go much faster than trolling speed with only a 3hp motor if your craft is small enough. For a small sailboat that weighs more like six tons than one or two tons, a 10hp motor may be enough.

Best electric outboard motors

Make sure you buy a high-quality motor because these are not tiny investments. You can lose more than a little money if you buy a shoddy product that does not have a good warranty. Put a bit of time into verifying the reliability of whatever you purchase.

1) ePropulsion Spirit 1.0 Plus

If you are fine with a fairly weak 3HP motor, the Spirit 1.0 Plus is a great product with few disadvantages. The Spirit 1.0 Plus from ePropulsion is built to last, uses power efficiently, and doesn't cost a fortune.

At full speed, the Spirit will only last for about 90 minutes on a single battery. With a 12 foot boat, you can go about 9 km/h - not bad for a relatively low power engine. You also do not need to run the boat on full power to approach your boat's maximum speed.

If you run the Spirit on 1/4 power, you can keep it going for 6 or 8 hours. Batteries are fairly heavy, but you can keep the motor running for a long time if you bring extra batteries. The motor can save you in a dangerous situation and is great for non-emergency uses as well.

Another advantage of the Spirit is that the battery floats, so it won't sink if you drop it in the water. The Spirit is also light, even with the powerful battery it comes with. The digital display that shows how much battery power you have left is accurate.

Like other electric boat motors, the Spirit is more environmentally friendly and healthier than a gas engine. Gas engines have fuel leakage and fumes; an electric motor avoids these problems. The Spirit even comes with a 180W solar panel to charge it, although this is not the only or the fastest way of charging the battery.

The motor even has a remote control, so you can steer it and adjust the speed with a console. If the Spirit has a disadvantage, it is that the range on a single battery is unimpressive. You can make it a little more than 20 miles, but many other electric motors let you go farther on a single battery.

2) ePropulsion Navy 6.0

If you are looking for something longer lasting than and more powerful than the Spirit 1.0 Plus, ePropulsion also offers the more powerful Navy 6.0 . The Navy 6.0 is equivalent to a 10Hp engine, so it won't struggle to move a relatively big boat.

The range on the Navy 6.0 is impressive. The battery is powerful enough that you can travel 40 miles before having to recharge. If you want to bring more than one battery, the Navy 6.0 can be compatible with other companies' batteries.

The Navy 6.0 also has a propeller that will stop immediately if it hits anything. This can save your engine from damage if the propeller hits a rock or anything else. There is also an emergency stop kill switch to

The Navy 6.0 works just as well in freshwater as in saltwater. It is advantageous to have an electric motor on a lake because there are laws against gas motors in some lakes.

3) Torquedo Travel 1003

One thing that makes the Torquedo Travel stand out is its onboard GPS computer, which can calculate how far you can travel before the battery runs out. The computer will continuously update how far you can travel based on how much battery power is left, how fast you are going, and how much power you are using.

While the Torquedo Travel can run for 10 or 11 hours on a full charge, it can only move a small boat at 1.5 or 2 knots for that long. If you run the engine at half throttle, it will last for 3.5 hours at 3 knots. If you travel faster, the battery runs out very fast - it will only last half an hour at 5 knots.

If you want a solar charger for the motor, you can buy it separately from the company. It is costly, but the solar panels do work well and give you a way to charge the battery at sea.

The Torquedo Travel is also a small and light motor that does not take up much room. Without the battery, it weighs only 8.9 kilograms. You can easily remove and store the engine.

Another useful feature is the kill switch that allows you to stop the motor immediately in an emergency. You can also use the engine/battery as a power source for electronics through a USB.

The Torquedo is a reliable engine backed by a two-year warranty. It is equivalent only to a 3HP engine, so it is not powerful enough for everyone.

4) Torquedo Cruise 4.0 T

The Torquedo Cruise is the best choice if you want a more powerful alternative to the Torquedo Travel. The Torquedo Cruise electric outboard motor is equivalent to an 8HP gas engine. If you need a motor for a boat that weighs three or four tons instead of one or two tons, get the Cruise instead of the Travel.

The Torquedo Cruise will stay completely waterproof for a long time and not develop small leaks quickly. Small leaks can ruin some of the cheaper engines on the market. The Torquedo Cruise is also very corrosion resistant, so you can use it in saltwater for a long time without damage.

The Torquedo Cruise has the same onboard GPS computer, emergency off switch, and two-year warranty as the Torquedo Travel does. The only disadvantage compared to the Torquedo Travel is the higher price. Not everyone needs a more powerful motor, but it is an excellent engine if you do.

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Daniel Wade

I've personally had thousands of questions about sailing and sailboats over the years. As I learn and experience sailing, and the community, I share the answers that work and make sense to me, here on Life of Sailing.

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Marine Expert

8 Best Small Outboard Motors – (Reviews & Guide 2022)

Looking for the best small outboard motor out there? This piece of equipment is essential for most sailors out there, so picking a great model is important.

That’s why we prepared small outboard motor reviews to see which models have gathered a lot of appreciation on the part of the boaters that have invested in them. These are all capable of excellent performance and are also easy to maintain. You can also find our comprehensive buying guide where you can learn what exactly to look out for.

See The Quick Comparison Chart

Advantages of Small Outboard Motors

If you have been wondering whether this type of motor addresses your requirements or not, you’re going to enjoy reading the following section. We have put together a list of some of the most significant benefits that you will get if you decide to start using an outboard motor for your boat.

1. Easy to Replace

The first and most obvious advantage is that the engine can be replaced very easily in case of failure. An outboard motor is capable of improving a boat’s handling since it provides articulated thrust unlike rudders used with inboards. Most modern outboards are able to offer an excellent power-to-weight ratio, especially when put side by side with the other options out there.

2. Size and Space

Small outboard motors are easy to handle, lighter than their heftier counterparts, and they also occupy less space on your boat. Their name is ‘outboard’ for a reason, meaning that you can use the amount of space that they put at your disposal for anything else — a boat seat or use it as storage for something you might need while out on the water.

3. Maintenance & Dependability

A few years ago, diesel inboards would have been more likely to be yard-maintained by a professional mechanic, and therefore, they would have been pricier to own and use compared to outboards.

If you have to upgrade or replace an engine or prop, it’s far easier to do it with an outboard. Since everything is at your disposal, you can also take a good look and see whether the motor has sustained damage from an impact, for example.

Outboards run on gas whereas inboards are mostly diesel-powered. You can, of course, come across gas inboards, but for safety reasons, diesel ones are recommended. Diesel is about twenty percent more expensive than gasoline, so outboard motors make it cheaper for you to do your boating.

On top of everything, over the past decade, diesel motors have become less and less popular, also because they produce a lot more pollution. Some countries have forbidden diesel cars completely and are forcing their owners to upgrade to a gas automobile. At this point, we don’t know if this will happen with diesel motors for boats, but it’s quite likely that it will.

Small outboards motors that don’t come with any bells and whistles can be quite affordable. While the cost might not be the most important aspect to consider, it does make a difference, especially if you are on a budget.

However, there are expensive outboard motors, too, such computer-controlled models, many of which can be quite sophisticated.

Best Small Outboard Motors Comparison Chart

Best Small Outboard Motor Reviews

1. us deliver outboard motor 6.5hp water cooling 4-stroke.

The 6-HP engine gives you all the power that you need. It runs on gas and it does tend to make a lot of noise, so you do need to consider that before investing your hard-earned cash in this one. The unit doesn’t wear more than 100kg, which makes it lighter than some of its competitors.

It is a great match for rubber boats, inflatable boats, but also some types of fishing boats. As for the fuel efficiency, we haven’t come across any complaints in this sense. We also couldn’t help noticing that most of the feedback acquired by this unit is favorable.

• Comes with a booklet, tubing, cotter pin, a start rope, a start key, and a pump impeller, but also a toolbox and other accessories
• Has been approved for use by the CE
• Max speed (r/min) is estimated at 5000-6000
• Very powerful, given its 6.5-HP
• Newly designed handles make it easy to transport
• It’s not the cheapest engine in this line.

2. NOPTEG Hangkai Water Cooled 2 Stroke 3.5 HP Outboard Boat Motor

You can’t compare a 6.5HP engine with a 3.5HP one, but you can definitely opt for this one if your boat is light and you don’t need a lot of power. The cooling technology is another aspect to keep in mind, and this one is water-cooled, which is convenient and reliable.

On top of everything, the NOPTEG alternative is eco-friendly, energy-efficient, and also easy to carry. The compact design makes it easy for you to service your engine before you store it for the winter. You don’t have to worry about anything in terms of durability as this one is made from high-grade marine material, so it doesn’t corrode easily.

• Perfect for fishing boats, inflatable boats, but also small yachts
• Covered by a 1-year warranty
• Doesn’t make a lot of noise
• It weighs in at about 21 lbs, so it’s quite lightweight
• Durable and easy to operate
• It can smell like rubber when it’s running, which can bother some boaters.

3. SEA DOG WATER SPORTS 4 Stroke 4.0HP Outboard Motor

As for the waters in which you can rely on this motor, you’ll be glad to know that it works both in saltwater and in freshwater. It can be installed on a variety of watercraft from fishing boats, canoes, and sailboats to good old kayaks.

Durability is not a factor that you should worry about if you decide to opt for this model. It boasts a compact structure, but it is made to be anti-corrosive, meaning that it’s not going to become the victim of rust anytime soon. It’s also quite lightweight and easy to carry around.

• Modern fuel-saving technology
• Can be installed on a broad range of ships
• No assembly required
• It starts easily, with almost no effort and no issues whatsoever
• Backed by a 1-year warranty
• It calls for a financial investment compared to other small and budget-friendly choices in the same line, but we might argue that it pays off in the end.

4. SEA DOG WATER SPORTS Outboard Motor 2.5 HP 2 Stroke

Nevertheless, it still makes a great option for watercrafts such as small yachts, fishing boats, inflatable boats, as well as sailboats. It’s durable, economical, and compact, so you can service it with as little effort as possible. What’s also worth noting about it is that it boasts an anti-corrosive construction.

Being compatible with both freshwater and saltwater, you can basically use this engine anywhere you please or wherever you do your boating or fishing. It’s a single-cylinder, 2-stroke, air-cooled model and it works with less noise, especially compared to others. As a final note, this model works with gasoline, so do keep that in mind when making your decision.

• Works great based on the feedback it has received
• Offers excellent power for a small boat
• Offers amazing value for every cent spent
• The motor can be tilted
• More stable and reliable compared to traditional land motors
• Since it’s been described as a weed eater, try to avoid using it in waters with heavy cover.

5. HANGKAI 6HP 2 Stroke Outboard Motor with Water Cooling System

It’s also worth noting that it comes with 360-degree steering rotation for reverse without any gear shifting whatsoever. You might want to consider this unit if you are in the market for a convenient and easy-to-operate engine that’s also fuel-efficient and eco-friendly.

Despite its quite large tank capacity, the motor boasts a compact design. This is one of the reasons that makes it easy to winterize and carry from one place to another and even install on another boat, if you’re looking to change your watercraft. As is the case with some of the other engines described in this selection, this one is CE certified.

• Suitable for freshwater and saltwater alike
• Works on a variety of ships
• Comes with a 2.5L fuel tank capacity
• Doesn’t take a lot of skills and effort to operate
• Convenient, reliable, and reasonably quiet
• Avoid starting the motor on the shore or using it when you come out of the water — this can result in irreparable damage.

6. Sky 2-Stroke 2.5HP Superior Engine Outboard Motor

Furthermore, the 2-stroke single cylinder engine can get you moving on the water efficiently and easily, but also in as little time as possible. The 2.5HP motor makes the perfect choice for inflatable boats or small fishing boats.

Additionally, you might want to know that this engine comes with a compact and durable construction, which means that you will get as much use of it in the future as possible. Plus, it’s also easy to store and carry, which makes winterizing it a breeze. Last, but not least, we’d like to add that the motor doesn’t make as much noise as you might expect it to.

• Suitable for freshwater and saltwater
• Lightweight and easy to carry
• Compact and durable
• Perfect for small inflatable boats
• This one isn’t powerful enough for bigger and heavier boats, so we would recommend against purchasing it if that’s the type of watercraft that you own.

7. Coleman Powersports 2.6 HP Outboard Motor

The easy start TCI ignition, the 360-degree steering, as well as the fact that this motor has been both CE and EPA approved are all things worth writing home about. It has been specifically engineered to offer reliable and quiet operation. That’s why it makes one of the best options out there for inflatable boats and small boats.

Needless to say, you are also free to rely on this outboard motor as an auxiliary trolling engine. On the other hand, it calls for a significant financial investment, so do keep that in mind when deciding between this one and another unit.

• Adjustable steering friction
• Vibration reduction
• Made with marine aluminum alloy parts for corrosion protection
• Meets EPA and CE standards
• It’s water-cooled, so operation is a breeze
• The fuel shutoff valve works backwards, which might confuse some boaters in the beginning.

8. CLIENSY 4HP 4 Stroke Outboard Motor Boat Engine

The engine is equipped with its own patented air cooling system, which means that you can rely on it for a whole day of fishing. Furthermore, it comes with a 360-degree steering rotation for reverse without any gear shifting, so you also get to operate it conveniently and easily.

If you are worried about durability and safety, you will be happy to know that this unit comes with a lubricating system and a safe twist grip throttle control. This engine makes an excellent alternative for fishing boats, inflatable boats, as well as rubber boats.

• Can be used in freshwater and saltwater
• Weighs in at just 29lbs
• It’s a dry motor, so it uses air cooling, not water cooling
• Very easy to grease and get ready for the winter
• Fairly inexpensive
• This unit wouldn’t be strong enough to pull a raft or to be used for water skiing.

What is an Outboard Motor?

Similarly to many other marine power systems, the engine spins a shaft. The shaft consequently spins a propeller shaft, and the latter spins a propeller so as to create thrust.

If you have been trying to tell whether alongside the rest of your boating gear , you should consider using an outboard motor, we’re here to help you understand just that. An outboard motor simplifies the boat building process as both an inboard or stern drive would have to be mounted to the motor, lined up, and then attached to the drive system.

Like other types of equipment, from the models from our boat seat reviews to boat anchor reviews , outboard motors have come a long way in the past years. They were invented at the end of the 19th century and they initially were 1.5-horsepower motors that could be clamped to the back of any rowboat. Later on, 2-stroke and 4-stroke motors were invented.

Different Types of Outboard Motors

1. Two-Stroke Outboards

If you are both price and weight conscious, what you need is a two-stroke small outboard motor. It effectively produces the compression strokes of the plunger and its consumption in just a single action.

Two-stroke outboards are usually lighter, cheaper, and they also have a simpler construction compared to their four-stroke counterparts. This is what makes them easy to maintain. They are also quite rugged, in spite of their size and somewhat ‘limited’ capacity.

2. Four Stroke Outboards

4-stroke engines have become more and more popular in recent years, and that’s because they use less fuel, they are quiet, and they also tend to run more cleanly. There is no oil mixed with the fuel, so the two-cycle smokescreen is automatically eliminated.

Four-stroke outboards also have a greater economy and fewer emissions, so if you’re not so particular about the size (since they tend to be bigger and heavier), you might want to consider this type.

The weight is something definitely not worth writing home about when it comes to four-stroke outboards. For instance, four-stroke engines that are in the 5-HP category are about 20% heavier than 2-stroke engines that have the same horsepower. They also tend to cost a pretty penny compared to their 2-stroke counterparts.

The nice thing about four-stroke outboard motors, though, is that they are in compliance with environmental regulations. This, of course, can’t be said about 2-stroke motors.

3. Cooling Categories

Every engine, no matter whether it is small or large, or four-stroke or two-stroke, will have to be cooled using one method or the other. To date, manufacturers have come up with two types of cooling:

• Air cooling
• Water cooling

Air-cooled systems cool down the engine thanks to a fan. They are quite rare, they’re small, and they don’t seem to do that good of a job.

Water-cooled systems , on the other hand, are a great choice in most situations. They obviously rely on water to cool the motor. Most compact outboard motors rely on closed-loop cooling where the surrounding water is used for the purpose. However, the water never gets into the motor or the boat.

Small Outboard Motor Buying Guide

It contains all of the essential aspects that you ought to mull over before you make up your mind on a specific model. Check it out below.

1. Horsepower

This factor is by far the most important one to consider when shopping for a boat motor. Technically, bigger is better, but the truth is that you have to pick the right horsepower for the boat type and size that you own. If you have a small boat and you get a large engine, it might affect the ship’s stability. Plus, the additional power can cause damage to the transom.

On the other hand, using a too small outboard motor on a boat that’s too large can effectively burn out the engine due to excessive demand and drag. Making sure that the size and horsepower of the motor match your boat can provide you with reliability, but also stability.

There is an easy way of telling what type of HP motor you should get. You can look at the National Marine Manufacturers’ Association Certification Plate, which should normally be found inside your boat stern. There you will find the horsepower rating that is recommended for your type of ship.

2. Transom Height

The boat transom is the part of the backend where you will mount your portable outboard motor. The reason this part is so important is that the thrust and momentum of the engine will be transferred to the whole boat through the transom.

Look at the transom height when shopping for any outboard motor as you need to make sure that it is a good fit for your type of vessel. You can measure the transom height of your boat by measuring from the top center section to the bottom center of your hull.

3. Electric Start

Recoil start engines can be difficult now and then, but today’s recoil start motors are easier to work with thanks to their automatic decompression. This feature effectively bleeds off cylinder pressure so as to reduce the pulling force.

There are outboard motors out there that have an electric start. The core advantage of an electric start is that it can get the engine running with just one push of a button. It can also give you some reassurance when it comes to safety. If you end up in a rocky shore area, you can just press the electric start button and get away from danger.

4. Fuel Type

Gasoline can be a little more expensive and it can also put less strain on the engine valve seats, especially when compared to propane. It has been the fuel of choice for many years now, and many boaters will find it comfortable to work with.

However, propane has been gathering a lot of appreciation, too, and that’s because it’s more efficient and also cleaner than gasoline. It will also not gum up or degrade the engine as fast. In addition to this, propane engines start quicker and more easily as the fuel is effectively pressurized.

If you already use propane as a fuel for other types of equipment, such as your grill, for instance, you might want to eliminate gasoline altogether and choose a motor that can be used with propane. You might want to do this out of pure convenience.

5. Controls

For manual tilting, you should find a tiller handle that you can just push down and snap from and into any angle. Most portable outboard motors come with a power tilt and this can be a great feature to have, but it can be difficult to work with on larger engines.

After launching your ship, you will have to tilt it down into the water, so you might need to tilt your motor up, especially in shallow areas. You’ll need to tilt it back down when you get back to deeper waters. You should also tilt up your outboard motor when you are retrieving your boat at the boat launch.

There are modern outboard motors out there that are built with EFI engines. These ensure controlled throttle response and reliable and fast starting no matter the weather. On top of everything, EFI engines are known for not gumming up like carburetor engines. They also call for a lot less maintenance in the long run.

Although the vast majority of boaters seem to prefer the simplicity of carburetor engines, many will learn to appreciate how efficiently and clean EFI models can run, even in inclement weather or when it’s very cold outdoors.

7. Size & Weight

The size can matter a lot in the grand scheme of things. If the engine is too sizable for your ship, it can make the latter lose its balance. This can mean that you and the rest of the people in the boat can be put in a dangerous situation.

Picking the right size of motor can be done easily nowadays since most manufacturing companies can be contacted and they can give recommendations with regard to which engine size works best for what ship size.

As for the weight, it also has a say in your decision. If the motor is too heavy, it might not work properly, and it might also make the front of your watercraft lift up and essentially modify its position on the water. Under such a circumstance, a boat can lose power and speed, which has a negative impact on fuel efficiency, too.

As we have already mentioned, the majority of small outboard motors that are available for sale right now are either two-stroke or four-stroke. If fuel economy and being environmentally friendly matter a lot to you, a four-stroke engine is the best choice of the two.

On the other hand, two-stroke engines are smaller, have a simpler construction, and they also tend to cost significantly less compared to their four-stroke counterparts.

9. Shaft Length

All outboard motors come with a shaft, and it can be either short or long. If you have a lower boat, then you should definitely select a motor that comes with a shorter shaft length.

On the other hand, higher boats call for longer shafts. The length of the shaft goes a long way when it comes to determining the performance and cooling system of the motor.

10. Build Quality

You can’t really assess the construction quality of a small outboard motor just by having a look at some pictures online. Make sure you read as many reviews of the outboard motor as possible before ordering it. Additionally, we would like to note that in this case, the brand actually matters.

It is universally acknowledged that bigger brands make their products using better quality materials. Plus, if you get a model made by a reputable company, you will also benefit from a generous return and refund policy in case you come across any problem.

How to Install & Use a Lightweight Outboard Motor

General Tips

• Make sure that the engine is in the correct position.
• Tighten it and look at how you can use it in relation to your hand or other type of operation. The middle part of the outboard should be moved up and down with as much ease and convenience as possible.
• Check the manufacturing brand’s manual and then look at the pictures provided and compare them with the reality. If the motor doesn’t seem to be well-installed, call a technician.
• Before using the motor for the first time, make sure that it is fastened as best as possible so that it doesn’t detach from the boat when being operated.
• Rely on safety cables to position the motor as best as possible. This will ensure that, in the unlikely event that the motor bumps into an object in the water, it won’t be knocked down from the transom.
• Position the outboard motor’s fuel tank in a well-ventilated area of the boat. Ideally, this part of the boat should also be away from direct sunlight and no more than six feet away from the outboard motor (and less than 3 feet below the fuel connector).
• Always use a startup checklist before anything.

Maintenance & Safety Tips for Portable Outboard Motors

It can be more or less easy to keep your outboard engine in top shape, even if you aren’t a mechanic. A little TLC and preventive maintenance can make sure that your boating is always safe. It can also make sure that the motor runs reliably for many years to come.

Regular Maintenance

Prevention is worth a pound of cure, they say, and we couldn’t agree more. Here is a checklist of things that you ought to ensure on a regular basis.

• Check the fuel line for worn spots and cracks.
• Make sure that the fuel primer bulb isn’t cracked or pliable.
• Ensure that the fuel line fittings don’t leak and seat right.
• Check the clamps for corrosion or rust, especially those on the fuel line.
• Check the fuel tank for corrosion or any other type of damage.
• Check the tank vent so as to ensure that it aspirates correctly.
• Regularly check for any water present in the fuel.

After Every Trip

1. Flush Out the Motor

Remove the water using a hose connected to the water outlet and then run the engine until there’s no more exiting the hose.

2. Burn Off Any Excess Fuel

Turn off the fuel tap and run the engine until it naturally stops. This will get rid of the fuel in the carburetion system. Needless to say, make sure that the battery switch is turned off when the motor isn’t in use.

3. Check for Leaks

Remove the engine cowling and inspect it for fuel or water leaks. If you find one, get in touch with your local mechanic as he or she can perform repairs before things get worse. Pipe clips can also become loose quite easily, and if you notice any signs of rust or corrosion, you should change that clip.

4. Use WD40

Spraying the engine with WD40 can protect it against corrosion. After getting rid of any rust present on the motor parts, you should use an appropriate lubricant. As time-consuming as these tasks might seem, they are essential in maintaining your outboard for as long as possible and in as good condition as ever.

5. Fresh Fuel

When the season ends, drain the fuel from the tank. It goes without saying that you should dispose of it correctly. Grease everything before storing your boat and get in touch with a mechanic so as to perform a thorough check of your motor. The same should be done when the season starts, again.

FAQs About Small Outboard Motors

1. how to winterize an outboard motor.

Winterizing an outboard involves several steps. First, fill up the gas tank, which gets rid of the moisture buildup over the winter months. Check the bulbs, hoses, and connectors and replace them if there is any damage present. Change the water separator and fuel filter and add a fuel stabilizer to the gas tank — this makes sure that the gas is fresh in the spring.

Use a motor flusher and while the water’s running, start the motor and allow it to go idle for a quarter of an hour. Spray a fogging agent through the carburetors until you see smoke coming out the exhaust and the engine kills. The oil lowers the chance of any moisture occurring inside the motor.

Spin the flywheel by hand several times to distribute the oil as evenly as possible. Check the spark plugs for wear. Coat the engine body with silicone anti-corrosion spray as this will prevent moisture from sticking to its parts.

Remove the propeller and inspect for weeds or fishing line or whatever else that might have become entangled around the shaft. If the seals are obviously damaged, they have to be replaced. Then coat the shaft with lube and replace the prop. You have now winterized your outboard motor.

2. Where Should Water Come Out On an Outboard Motor?

Water should be removed via the hose attached to the water pump. However, there can be situations in which you might notice that water is coming out of your exhaust pipe, for example.

You should know that cooling water can exit through the exhaust and it’s absolutely normal. It’s a part of the cooling system, along with the pee stream. When you are not moving, the exhaust can even bubble out from the lower unit as it exits out through the prop while you are underway. There’s nothing to worry about, in this case.

3. How to Build an Outboard Motor Stand?

Building a motor stand really isn’t that difficult. You do have to make sure that it is a good fit for the engine that you have on your hands, though. For example, for a 550lb engine, you’d need bottom runners that would have to be 4×4 3’, 2 feet behind and 1 in the front, and a height notched 1” into the bottom runners.

You’d also need a 12-motor mounting plate, 2×4 side support and one behind the upper legs, and 3/4″ side plates. You can use glue, screws, and lags, and even add casters later on. There are a lot of free instructions on the Internet, as well as tutorials and tips.

As you might have been able to tell, picking the best small outboard motor from the plethora of the models that are available these days can be quite challenging. We hope that our small outboard motor reviews have assisted you in making the right decision for your boat and your needs and preferences.

Just remember to do as much research as possible before opting for one unit or the other. Go through as many consumer reports as your time allows you to as other boaters can let you know what mishaps they have encountered, especially in terms of installation, operation, and maintenance.

About Peter Richardson

Peter Richardson decided that he needs to balance out the sedentary lifestyle of a software developer by getting out there more. He found passion in none other than – boats. This website represents everything he learned along the way. Finding the right equipment for your boat is no easy task, and that is what Peter’s articles aim to help you with.

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Best Outboard Motors

• By Jim Hendricks
• Updated: June 4, 2021

Outboard motors dominate today’s boating market. And with good reason. Today’s outboards are powerful, quiet, reliable, easy to service, and offer excellent power-to-weight ratios, as well as outstanding corrosion resistance. American boaters can choose from more than 180 models (not counting shaft length variants), all four strokes, from manufacturers such as Honda Marine, Mercury Marine, Suzuki Marine, Yamaha Outboards, and others, many in a choice of colors.

Horsepower ratings range from 2.3 to a whopping 600 ponies. Advanced technology abounds, with many models featuring electronic throttle and shift, electric steering, digital integration with your marine electronics , wireless connections to apps that let you view key functions, and more. While many boaters might narrow their search to the best outboard motor for the money, we instead built this list to showcase the best outboards available.

If you own an outboard motor, then you probably already know what you like in terms of brand and horsepower. But, on the other hand, you might be interested to learn about other great outboard motors, in case you buy a second boat or want to repower with the latest outboard technology. With this in mind, we looked at three outboard categories—portables, midsize and big outboards—and highlighted models from the major outboard brands that reflect some of the most notable and innovative engineering and features in each class.

Choosing an outboard motor for your boat is an important decision. Here, then, are 15 of today’s best outboard motors, ordered by horsepower from low to high, defaulting to alphabetical order for like power ratings.

Portable Outboard Motors

Honda Marine BF5

Portability, performance and reliability are the hallmarks of the Honda Marine BF5 tiller-steer outboard model, a motor that’s ideal for small boats and dinghies. The BF5 is equipped with a 0.4-gallon internal fuel tank, the largest in its class. This single cylinder outboard is also easy to pull-start, thanks to a decompression system that bleeds off cylinder pressure to reduce the pulling force. Weighing about 60 pounds, the BF5 is equipped with a 127cc overhead-cam engine that features an Oil Alert system that indicates any drop in oil pressure, automatically limiting the engine speed to 2,300 rpm. The Honda BF5 is available with an optional charging system with a capacity of 6 amps at 12 volts to power electronic devices on board.

Suzuki Marine DF9.9B

This portable outboard is the only motor in its class with electronic fuel injection for easy starting, strong acceleration and smooth operation at all engine speeds. Even more impressive is that Suzuki DF9.9B’s EFI system does not require a battery. The two-cylinder 327cc overhead-cam engine also features Suzuki’s proven Lean Burn Control System for outstanding fuel efficiency from low idle speeds well up into the cruising range. Weighing 108 pounds (20-inch model), this motor is available with electric or manual start with a decompression system for easy pull-starts. Suzuki’s class-leading 327cc displacement delivers plenty of torque for pushing inflatables, small fishing boats and more. Power tilt and trim is optional.

Yamaha Outboards High-Thrust T9.9

The Yamaha T9.9 is one of today’s smallest and lightest high-thrust 9.9 hp outboard motors and serves a perfect kicker outboard for a variety of boats. Weighing 102 pounds (20-inch model), the T9.9′s 212cc, two-cylinder, overhead-cam engine provides smooth, reliable power and torque with outstanding fuel efficiency. Yamaha’s patented dual-thrust propeller offers robust forward and reverse thrust. Shallow Water Drive System or Power Tilt allows the operator to raise the outboard during low-speed operation or fully tilt the outboard up. A freshwater flushing device at the front of the outboard allows for easy maintenance and increased longevity. Resting pads enhance storage capability.

Mercury Marine 20 EFI FourStroke

Designed for anglers, recreational boaters and commercial operators, the Mercury 20 hp FourStroke features battery-free electronic fuel injection for reliable starting, instant throttle response, strong performance and superb fuel efficiency. Weighing in at 99 pounds, this outboard model is among the lightest in its class. Available with electric start, this engine is designed with ease of maintenance, featuring a clean, no-drip, no-spill oil-drain system. The 20 hp EFI FourStroke features an award-winning multi-function tiller handle, offering ambidextrous operation. Its vertical down-stop is adjustable to accommodate specific boat layouts and transoms.

Midsize Outboard Motors

Mercury Racing 60R

The only outboard motor in its class available as a 15-inch model, the Mercury Racing 60R fits perfectly on the transom of flats skiffs and other small high-performance boats. Featuring a high-thrust gearcase, this outboard motor is geared to deliver strong hole-shot for jumping on plane in shallow water. The smallest outboard motor in the Mercury Racing line, it features a four-cylinder, 1.0-liter long-stroke powerhead tuned for torque. Wide-open throttle range is extended to 6,300 rpm to maximize acceleration and enable more propping options. Weighing in at 268 pounds, it can accommodate a lower poling platform while eliminating the need for a jack plate

Suzuki DF70A

Known for delivering strong fuel efficiency and long-run reliability, Suzuki’s DF70A pushed a 17-foot Hell’s Bay flats skiff to victory in the 2021 Florida Skiff Challenge, a non-stop, 1,300-mile race around the entire Florida coastline. This four-cylinder engine features dual overhead cams, four-valves-per-cylinder and electronic fuel injection with Suzuki’s Lean Burn Control. Weighing 343 pounds and boasting 9.17 liters of displacement, it’s the only motor in the class with an offset driveshaft for better weight distribution and balance on the transom. Suzuki’s two-stage gear reduction and 2.59:1 gear ratio delivers snappy acceleration and top-end performance. This motor also features a self-adjusting and self-lubricating timing chain and powerful 27-amp alternator for tech-laden boats.

Yamaha Outboards F70

Yamaha’s F70 outboard motor is perfect for family fishing and fun. Weighing 253 pounds, it’s the lightest in class and delivers quick starts, high performance and efficiency for aluminum fishing boats, pontoons and fiberglass boats. This 1.0-liter engine also boasts the best horsepower-per-liter ratio in its class. It offers four-valve-per-cylinder and single cam design with electronic fuel injection. A high gear-ratio and 6,300 rpm wide-open throttle rating combine with a compact single-throttle valve and long-track induction system for maximum power and thrust. The F70 integrates with Yamaha’s CL5 and CL7 touchscreen displays.Yamaha’s Multi-Function tiller handle is also an option for the F70.

Honda Marine BF90

Inspired by the engine of the Honda Fit car, the BF90′s 1.5-liter, 16-valve four-cylinder features multi-port electronic fuel injection. Weighing 359 pound (20-inch model), it comes with a multi-function display and an optional tiller handle that includes a larger shift lever, a power trim and tilt switch, handle height adjustment and trolling-speed control. The patented Blast system advances ignition timing during hard acceleration for powerful hole shots, while a Lean Burn Control system adjusts the air/fuel mixture to maximize fuel efficiency at cruise. A three-way cooling system promotes long-term durability. Honda’s Variable Valve Timing and Lift Electronic Control (VTEC) improves torque and power at higher rpm.

Mercury Marine 115 hp Pro XS

The 115 hp Pro XS has been powering bass boaters and other performance enthusiasts since its launch in 2016. Built on the proven 2.1-liter four-cylinder platform, this outboard motor lives up to the Pro XS reputation for hole shot, top-end speed, and durability. It delivers outstanding zero-to-20 mph heavy-load acceleration and a blistering top speed. At 359 pounds, it’s the lightest weight high-output engine in its class. In addition, the 115 hp Pro XS features the Idle-Charge Battery Management system, ensuring peace of mind for a full day on the water. Available with the standard or larger Command Thrust gearcase, this outboard motor is perfect for boaters looking to maximize performance on their bass boats, multi-species boats, bay boats and pontoons.

Big Outboard Motors

Honda Marine BF250

The flagship of the Honda outboard line, the BF250 outboard motor integrates an innovative design, a sleek progressive V-form style, improved corrosion resistance, streamlined maintenance, and an expanded number of rigging options. Weighing 622 pounds (25-inch model), the 3.58-liter V-6 is available with either Intelligent Shift and Throttle (iST) or electronic controls or mechanical controls. Technological innovations include Variable Valve Timing and Lift Electronic Control (VTEC), Programmed Fuel Injection (PGM-FI) to delivers precise amounts of fuel and air to each cylinder, Boosted Low Speed Torque (BLAST) to increase performance and acceleration; and Lean Burn Control to maximize fuel efficiency in cruise mode. The motor also features digital line redundancy for added protection against connection failure.

Yamaha Outboards F300 Offshore

Yamaha’s updated F300 Offshore Digital Electronic Control (DEC) model features Digital Electric Steering (DES) and Thrust Enhancing Reverse Exhaust (TERE) and other XTO Offshore-inspired features. Fast and precise Digital Electric Steering (DES) draws battery amperage only when active. The 4.2-liter EFI V-6 incorporates Thrust Enhancing Reverse Exhaust (TERE) that allows the propeller to bite clean water for strong reverse thrust. Yamaha’s TotalTilt function allows complete tilt up from any position with a double push of the “UP” button, or full tilt down with a double push of the “down” button. Weighing 562 pounds (25-inch model), F300 has a color-matched lower unit, an upgraded one-piece top cowling with water-draining air duct molding and a new bottom cowling.

Suzuki Marine DF350A

Suzuki’s flagship DF350A was the first outboard to feature dual contra-rotating propellers for superior hole shot and strong acceleration for today’s larger and heavier boats. It also improves top-end speed and enhances low-speed maneuvering. Weighing 727 pounds (25-inch model), this 4.4-liter V-6 features dual fuel injectors for better power output and fuel efficiency, a self-adjusting oil-bathed timing chain with Variable Valve Timing for performance and durability, a dual-louver direct air intake to provide cooler, denser air for more powerful combustion, and Suzuki’s Lean Burn Control technology for optimum efficiency. The drive-by-wire Suzuki Precision Control system delivers silky smooth shifting and instant throttle response, along with a wide range of advanced features for anglers and boaters.

Yamaha Outboards XTO Offshore

The 425 hp XTO Offshore 5.6-liter V-8 outboard motor combines power, reliability, system integration, control and convenience. The first four-stroke outboard to use direct fuel injection, the XTO Offshore sprays fuel at high pressure directly into the combustion chamber, rather than the intake track, improving atomization and increasing fuel burn effectiveness to maximize power and efficiency. Weighing 952 pounds (25-inch model), this outboard motor also features integrated electric steering, eliminating hydraulic lines, fluid and linkages. It allows for clean rigging and an orderly bilge. The XTO provides up to 96 amps (net) at idle and reaches peak output around 1,500 rpm. It is compatible with Yamaha’s Helm Master joystick control system.

Mercury Racing 450R

The hand-craft 450R has elevated the definition of outboard motor performance. Boosted by an exclusive supercharger, the 4.6-liter V-8 FourStroke powerhead delivers 450 peak horsepower—40 percent more torque than the powerful 400R. Weighing 689 pounds, it is 300 pounds lighter than the nearest competitor. The exclusive Mercury Racing Advanced Mid Section (AMS) features heavy-duty stainless-steel guide plates and stiffened engine mounts that stabilize the outboard and enhance high-speed handling. An optional rear tie-bar bracket integral to the AMS provides a strong, ultra-light mounting point and uncluttered installation for catamaran and other high-speed applications. The 450R outboard is backed by a three-year limited factory warranty and a three-year limited corrosion warranty, the same as Mercury mainline outboards.

Mercury Marine V12 Verado

The new V12 Verado is in a class of its own, providing the ultimate boating experience for customers. Incorporating industry-first innovations, the 600 hp Verado includes a two-speed transmission, steerable gearcase, and 7.6-liter V-12 powerhead that differentiate it from any other outboard motor. Weighing 1,260 pounds, the V12 is Mercury’s quietest high horsepower engine ever built. Contra-rotating propellers maximize thrust and ease low-speed maneuvering. Maintenance has also been simplified—service intervals have been extended and all regular maintenance points are accessible via the top cowl service hood, meaning the top cowl does not need to be removed for 1,000 hours or five years. It is not an exaggeration to say that the Mercury V12 Verado establishes a new benchmark for marine propulsion.

• More: Boats , Engines , honda marine , mercury marine , outboards , suzuki marine , Yamaha

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Inboard vs. Outboard Motors

Table of Contents

Last Updated on June 26, 2024 by Boatsetter Team

Inboard vs outboard motors, which is better? Although a divisive one, this discussion is as important as it is overdue. Boat owners, be they rough and ready fishermen or pleasure sailing dandies, usually fall into two camps: those who sing the praises of inboard motors and those dedicated to all things outboard. 

The first thing to notice is that over the last decade (or two), there has been a growing trend of new boats coming equipped with outboard motors. According to survey data by the NADA , the boating industry sold more outboard motor-powered crafts over the last few years than ever before. In fact, more than 165,500 outboard motors were sold in 2016. Some pundits have argued that this is due to consumer preferences, while others have said it is more cost-effective to install for manufacturers. 

However, does this mean that this variety of motor trumps the inboard? After all, why would outboard motors become the standard for boating power if they were not the best?

Not so fast.

Every experienced owner of a boat has a preference. This is even more true of manufacturers. Ask anyone in the boating game what type of motor they prefer, and you will get a different answer. You are likely to start up a fierce debate – be warned! Whatever you might have heard at the port , it is vital that before you attempt to choose your ideal style of motor, you must set aside any preconceived notions you may have.

The truth is: neither motor wins outright in the perennial inboard vs. outboard debate. Like your own kids or car collection, each one has its own merits and quirks. Nevertheless, the motors do outclass one another in specific categories and areas. As such, must depends on what you plan to do with your boat and your personal preferences. Freshwater or saltwater? Maneuverability or stability? Speed or stamina? All of these questions, alongside a million more, ought to be considered.

Inboard Motors

True to its namesake, an inboard motor is fixed inside the boat, typically at the hull . Petrol and gas versions have combustion engines with firing cylinders, whereas electric models differ. Inboard motors are often housed in a large box in the middle of the vessel. This center of gravity is a huge benefit to a drifting experience.

You can spot an inboard at the port by the distinct rudder used to steer the ship. Fishing trawlers on the high seas rely on these of their lower center of gravity. At the same time, slalom skiers enjoy their smaller wake . Larger vessels, like yachts, also use inboard motors but require bigger models, which cannot be placed on the rear of the hull.

Making a judgment on the merits and drawbacks of the inboard is tricky as those who prefer them have their own set of valid reasons. While they need a large box in the middle of the ship to hold the engine – something that can reduce much-needed deck space – they are quieter than their outboard counterparts. This renders them more suitable to the socialites out there who love entertaining. And let us not forget those fishing folks. A quieter boat is less likely to disturb your prey, ensuring a bigger and better catch is had by all.

Albeit ever so slightly more expensive than their outboard counterparts, inboard motors have a penchant for fuel-efficiency. This is because they are modeled on car engines. Moreover, this means that they boast better torque and horsepower for some hair-raising water antics.

A major – and potentially dangerous – downside to the inboard is that it can be a fire hazard. Unfortunately, countless vessels have been damaged and destroyed by fires that began in the inboard motor. Yet fear not. Running a bilge blower can solve that issue.

Check out this post for more tips on  how to look after your pride and joy .

Outboard Motors

With sales figures as high as those quoted earlier, it is little wonder that the market for outboard motors is huge. No, gigantic. What this means for consumers is that there is ample choice out there. There is an outboard motor to suit any and every function for fishing, recreational boating, or small commercial outfits. 

The engine of an outboard is rear mounted on the boat and is commanded by a handle for steering and titling. The propellers can be lifted out of the water completely, which means that transporting and storing them when not in use is a breeze. More so, this feature means that the propellers avoid sitting in the water for prolonged periods, protecting them from erosion and the growth of organic matter. This maximizes durability, of course.  

Another notable advantage of the outboard is that its position on the boat makes replacing the motor a simpler process than the inboard. Indeed, replacing an inboard is often an expensive and time-consuming task. This capability means that you can easily upgrade to a new, more powerful motor should you wish to – all without the need for specialist tools or professional expertise. This same simplicity also carries over to repairing and maintaining an outboard. That is if you need to do so. Outboard motors are famous for their dependability.

Yet, outboards are not impervious to faults. A significant drawback of this style of motor is that its power can often leave much to be desired. The bottom line is: outboard motors are insufficient for large vessels. Well, unless you want to spend your life savings on fuel. Finally, outboards take up space. And lots of it. If you wish to entertain on your boat, which is your primary purpose, you might want to consider the inboard. Again, much depends on your needs.

But before we move on to cost, maintenance, and power comparisons, let us talk hybrids. Oh yes, that is right, here it is, the curveball: the happy medium, the center-ground. Although the hybrid resembles more the outboard with the motor mounted at the rear of the hull, the propeller shaft passes through the boat’s hull. Sharing most of the pros and cons of the outboard, the hybrid also comes with the challenges of the inboard’s positioning.

Cost Comparisons

Of course, the larger the engine, the more expensive it will be to purchase. But you may want to also consider maintenance and replacement costs, along with the life expectancy of the motor design. 

For instance, inboard motors typically have a longer life expectancy than outboards. Meanwhile, maintenance requirements, based on hours of use, tend to favor the inboards. To be clear, inboards, on average, can run for near two thousand hours before they might require attention, whereas outboards usually run for around 750 hours before a service is needed.

Yet pay attention : purchasing an inboard motor will be heavier on the purse strings and can entail insurance coverage with more expensive premiums.

Sounds confusing, doesn’t it? Never fear. This  boat payment calculator  can assist you with the difficulties of working out finances by working out the running costs of your chosen engine. It is where boating veterans of all stripes get their knowledge.

Maintenance Costs

It can be a boring topic. However, you ignore it at your peril: maintenance. As touched upon earlier, outboard motors are used praised for their low, no-nonsense maintenance requirements. Situated at the rear of the hull, their housing protects the inner workings of the motor from the environment.

Hybrids and inboard alike share the same issue: positioning. At the boat’s bilge, steam, damp, and good old H20 can wreak havoc inside the motor when you need to open it for maintenance, potentially causing you a pain in the behind (and wallet). Compounding matters, accessing them is also tricky. This is primarily caused by the petite hatch in their housing, giving you less wriggle room than an outboard.

When you wish to place your boat on land, outboard motors also do not have a drain due to their placement on the boat. This means that excess water can sit around, again creating trouble if you decide to take your boat out of the water. Conversely, inboard varieties avoid this design, which protects them from possible damages caused by moisture.

Power Comparison

POWER. It is a topic you cannot avoid considering. The directional thrust and integral skeg of the outboard mean that a boat equipped with one of these bad boys is nimble on the water, especially at low power and speed. The benefits of this are countless. However, an outboard motor mostly enables you to navigate shallower waters better and park your boat up neatly.

Although there is one thing to bear in mind: despite having a superior power to weight ratio than inboards, outboards lack the total torque to drive big, beefy vessels. However, enthusiasts generally circumvent this issue by adding a second motor. Nowadays, it is not uncommon to see three or four motors adorning their transoms.

Moving on to the inboard, describing them is easy: they are the complete opposite of the outboard in this regard. The fixed position of the propellers under the middle of the boat reduces maneuverability, particularly at lower speeds. This is not to imply the inboard is a slug, however. They are adored by water sports enthusiasts worldwide as they have better wake control, major towing power, and a clear transom for tow ropes. If you are into wakeboarding and water skiing, then an inboard is for you. Besides, a lower center of gravity also helps cut through heavy ocean waves.

So, Which One is Best?

There you have it: a complete guide to outboard vs. inboard motors.

To recap, the advantages of an inboard motor are that they have brilliant fuel efficiency, superior torque and power, and increased life expectancy, and quiet operation. Whereas its downsides are that there is reduced interior space, higher purchasing costs, labor-intensive maintenance, more complex repairs, and full boat winterization is required.

Outboard motors, on the other hand, have a myriad of sought-after traits. Their full portability, easy maintenance, space-saving storage, and simple winterizing procedures, significantly lower price tag, extra interior space, and higher potential top speed. Still, do not forget the challenges. Some of them might break your choice. Most notable of which include low power and torque, which limits their suitability for vessels of certain sizes.

While there are many pros and cons to inboard and outboard motors, it is important to bear in mind that making the right choice is completely up to you and your needs. You may find a better outboard, despite setting out to buy an inboard and vice-versa. The size of your boat, desired maneuverability, boating frequency, local climate, and favorite water activity are essential factors to consider.

Good luck, and remember to do your research. The right decision will enrich your boating experiences to no end and might even prove gentler on the bank balance.

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• Outboard Motors

13 Best Outboard Motors  in 2024

By: Shelagh Hogan

Our reviewing team assessed the best outboard motors by reliability and prominence.

We always consider durability, price, quality, and value in our reviews.

Ever since human beings have been traveling on the water we’ve been seeking faster and more efficient ways to do so. From oars and sails to jets and propellers— technology has been adapted to marry speed and efficiency, but in the smallest package possible.

More often, today’s boaters are opting for outboard engines for their “go-fast, get-there” boating needs. And why not? The advantages of an outboard engine are numerous. No through-hull requirement for engine cooling, ease of access for engine maintenance, more horsepower for engine weight, ever-adapting technology for greater fuel economy, relatively simple installation, and an increase in the vessel’s overall maneuverability.

Choosing your first outboard can be an overwhelming task as there are so many options on the market, but fear not; we outline some of the best out there and provide a guide below to aid in your decision-making. Read on!

We’ll start by reviewing different types of outboards and then categorizing each engine by horsepower ranges (small/portable, medium, and large) and highlight their features and benefits.

Sort by your needs:

Westmarine.com

Torqueedo Travel 1103 CS

Where to buy:

Where to buy torqueedo travel 1103 cs:.

If budget isn’t an option, and an environmentally-conscious outboard engine is a priority of yours, Torqueedo is the leader in the electric-powered outboard engines with long and powerful battery life, durable construction, and thrust capabilities comparable to its internal combustion counterparts. They are also extremely portable and lightweight.

• Weight:: 24.9 lbs
• Comparable Thrust Output:: 3 HP
• Engine Type:: Electric Outboard Motor
• Compatible Apps:: iOS & Android

Things we like:

Things we don't like:.

Mercury Marine

Mercury Racing 60R

Where to buy Mercury Racing 60R:

The Mercury Racing designs incorporate a shorter shaft/lower unit assembly to lower the engine’s center of gravity ideal for shallow-water performance that anglers seek. For this reason, bass hunters are particularly fond of this model.

Yamahaoutboards.com

Yamaha F300 Offshore

Where to buy Yamaha F300 Offshore:

The Yamaha F300 Offshore model boasts a “97% for reliability” offshore.  Its construction is lightweight without sacrificing on material quality. It is also available in electric-steering models, eliminating the need for hydraulic lines. With features such as Thrust Enhancing Reverse Exhaust for more efficient performance when operating in reverse, as well as Yamaha Shift-Dampening System to eliminate clunky gear switches, the designers and engineers seem to have thought of it all.

These are popular in the Gulf of Mexico for their performance and reliability. Some serious blue water fishing gets done in boats powered by F300s.

Suzukimarine.com

Suzuki 6 HP DF6A

Where to buy Suzuki 6 HP DF6A:

Next up in the portable outboard lineup is the often-overlooked Suzuki DF6A. This little kicker is lighter and easier to transport than its competitors in the same HP range and with durable construction.

With 6 horsepower, there’s a good ratio of weight to power ratio that’s ideal for bare-bones aluminum boats. Smaller jon boats, for example, will cruise with a decent fuel consumption.

• Weight:: 55 lbs
• Power Output:: 6 HP
• Engine Type:: 2 stroke
• Recommended Transom:: 15-20 inches

Honda 5 HP BF5

Where to buy Honda 5 HP BF5:

This little 5-horse, 4-stroke engine works great as a kicker for your dinghy or a trolling motor for fishing. You’ll get between 3-5 MPH on a 10-foot boat, depending on the weight. While it has a built-in tank, there’s an option to connect an external too. Even though it’s not the quietest engine, it’s  a lightweight outboard motor with a price tag that you can bare comfortably over a few years.

Mercury 15HP Pro Kicker

Where to buy Mercury 15HP Pro Kicker:

If you’re looking for a powerful people-and-gear mover, the Merc 15HP Pro Kicker is worth a look. Its comfortable ambidextrous tiller is the only one on the market and its gear ratio and matching high-thrust propeller make it a top choice in the small outboard category.

Yamaha 15HP

Where to buy Yamaha 15HP:

Yamahas are some of the most common on the market—and some of the most expensive. But a reputation for quality comes at a price and quality is what you will find with Yamaha’s 15HP outboard engine.

Marine.Honda.com

Honda BF250

Where to buy Honda BF250:

Keeping up with the competition means improving the electronic integration abilities of its engines, and Honda’s BF 250HP delivers. Continuing with its V-TEC (Variable Valve Timing & Lift Electronic Control) to maintain optimum torque throughout the engines range, keeping the mechanic in mind redesigned and repositioned parts for better performance and ease of maintenance, and applying its Intelligent Shift and Throttle (iST) for easy maneuvering and multi-engine operations, the Honda BF250 is a smart, reliable option for a large outboard.

• Engine Type: 4-stroke, V6
• Max Output: 250 HP
• Mounting Type: Standard Transom

Where to buy Yamaha F70:

Yamaha Marine’s reputation for mid-sized and large outboard motors is proven throughout the industry.  They are lightweight, have easy access for maintenance, and their performance is reliable.

The new F70 engine is the lightest 70 horsepower–including 2-stroke alternatives.

• Engine Type: 4-stroke, in-line 4-cylinder
• Max Output: 70 HP
• Mounting Type: Rubber Mounts
• Weight: 253 lbs to 257 lbs (shaft dependent)

Suzuki DF350A

Where to buy Suzuki DF350A:

You can appreciate Suzuki DF350 for its focus on improving its engine performance when stacked up against the competitors in its weight class. For those not needing all the bells and whistles of computer integration in their outboards, but a reliable engine at a reasonable price , the DF350A can be put on your shortlist.

• Engine Type: 4-stroke V6
• Max Output: 350 HP
• Steering: Remote
• Mounting Type: Shear Mount
• Weight: 727 lbs to 747 lbs (shaft length dependent

Mercury 9.9HP

Where to buy Mercury 9.9HP:

It should be noted that Mercury Marine is a branch of the Brunswick Corporation that partners with Tohatsu to manufacture outboard engines. Most small-sized Mercury outboards are rebranded Tohatsu engines, like the 9.9HP four-stroke. That being said, there are subtle differences that prompt us to review the Merc over the Tohatsu. Either engine is a great portable with enough oomph to propel your dinghy adventures.

Types of outboards

The most common types of outboards seen on boats today are gasoline-powered internal combustion engines :

Internal Combustion Engines

Two strokes and four strokes

Two-stroke engines complete all cycles of engine operation—air and fuel intake, ignition or power, and exhaust in two strokes or revolutions of the engine pistons.

Four-stroke engines complete all of the steps of engine operation in four separate revolutions of the pistons.

Some benefits of a two-stroke are that it is simpler in design, and therefore a lighter, easier engine to maintain. The power stage occurs each cycle offering greater thrust in a smaller package than its four-stroke counterparts. The fuel efficiency, however, is greatly decreased and its emissions are increased by its gasoline-lubrication oil mixture, making it less environmentally friendly.

In fact, when the Environmental Protection Agency (EPA) was established in the US, policies regulating the emissions of engines were implemented and many manufacturers ceased making two-stroke outboards altogether. Some manufacturers recognized the desire for the lighter weight and higher horsepower demand. So they endeavored to use the same two-stroke technology in the same light package, but with emissions within the specs of the EPA requirements.

Four strokes, while having a more complicated, heavier design owing to more moving parts, are as a whole, more fuel-efficient, quieter, and more eco-friendly. With the growing demand for lower carbon emissions, technology has improved to provide those options in a more compact unit. Truthfully, if you’re willing to read the manual and take the time to look at your engine, the maintenance on a four-stroke engine is quite achievable.

Electric outboards

With increasing awareness about the effects of fossil fuel-powered products on the environment, coupled with the advancing technologies for electricity, solar power, and batteries, recent years have seen a greater demand for electric outboards.

Small/Portable

Horsepower Range: 2.3HP to 20HP

These little outboards are the ideal option as a primary means for propelling your dinghy , kayak, Jon boat , or even small sailboats.  The smaller HP options make great secondary or trolling motors for the fishing folk among you. They are pretty lightweight, making them easy to lift and stow. Some of the best options are as follows:

Choosing an Outboard

So you’re buying your first outboard, congrats!

There’s a lot of information and even more opinions out there on the best brand, size, and horsepower.

So, before you pull out your hard-earned money and give it to an outboard dealer, addressing the following topics for yourself will help narrow down your search and find the right outboard that suits your needs.

Intended Use:

One of the first determining factors to consider before purchasing your outboard is the vessel’s intended use. Are you using it on weekend fishing trips? Does it need to be capable of covering a lot of distance? Perhaps it will be used on a utility boat. Will it be used in freshwater or salt? Will it remain on your boat’s transom or does it regularly need to be removed and stored? Will it be required to move a lot of gear?

For cruisers, that includes cabin cruisers as well as some bow riders , efficiency and noise might be relevant.

Size and Weight:

This one seems obvious, but it bears examination. How much real estate does your boat transom actually have and what size engine or engines can you fit on it? If you desire more than one engine, which options have the best integrations for multi-engine controls? Will it require an outboard with the longer shaft option or a shorter one?

Center console boats operating in bigger surf need to consider this point. Take a look at the Boston Whaler boats –mostly equipped with Mercury engines–to see the profile for motor and purpose.

For portables: how much can you reasonably lift for engine transport and installation mechanically unassisted?

How Much Horsepower? 

While it is tempting to want to purchase the sleekest looking engine with the greatest horsepower, many boats will have a maximum horsepower safety rating. It is important to know this number when shopping as it is dangerous to exceed the vessel’s designed horsepower, and most dealers won’t knowingly sell you an engine that does.

Conversely, it’s important not to aim too small when choosing your engine’s horsepower compared to your boat’s maximum rating so you don’t lose efficiency.

Budget: What is your maximum budget? Taking into account the answers to the above categories, make a list of the outboards which provide the most value and are within your maximum budget.

Common outboard terminology 

Below are a couple of definitions to have an understanding of before making your outboard purchase. Knowing the details of an outboard’s specs and how they benefit you with how you intend to use your engine, will only aid you in making the best selection.

Gear Ratio : gear ratio is the number of crankshaft turns in relation to the number of prop shaft rotations. If an engine has a gear ratio of 2:1, it means that for every 2 rotations of the engine, the propeller turns one time. A 1:1 gear ratio means the prop shaft turns each time the engine does. While it might seem like you would want the prop to turn each time the engine crankshaft does, engines require reduction gear to maximize the torque and the efficiency of propellers based on their pitch and diameter.

Electronic Fuel Injection (EFI) : a batteryless method of injecting the appropriate fuel-air mixture directly into the piston chamber for ignition by the spark plug. This method of fuel injection increases the engine’s overall performance, reduces fuel consumption, and eliminates the need for a carburetor, which can get clogged and dirty.

Carbureted Engine: An engine that uses a carburetor to inject the proper mixture of fuel and air into the engine cylinders. While most newer engines have incorporated EFI, some traditionalists still prefer a carbureted engine for its easy troubleshooting and maintenance over a computer system.

Engine Displacement: this refers to the swept volume of the cylinders of an engine, usually measured in liters. Engine displacement is related to the amount of torque and horsepower an engine is capable of, as well it’s fuel economy. Larger engine displacement=more power (but also higher fuel consumption).

Taking care of the machine: Basic Outboard Maintenance

Regardless of what brand-name manufacturer you choose, the life expectancy of any internal combustion engine will greatly rely upon the quality and timeliness of its routine maintenance.

Take care before initial break-in and subsequent normal use to read the provided manual, and layout your engine’s maintenance schedule.

Some consumable items which should always be kept on hand are oil filters, manufacturer-recommended oil,  appropriately sized spark plugs, and fuel filters.

Some routine maintenance items which should be checked before they become a problem

Oil: Check the oil dipstick ideally every time the engine is run.  Look for changes in oil color, adequate oil level, and metal shavings or debris in the oil.

This is good practice, especially after an engine break-in period as gears and pistons straight from the factory will lose tiny metal particles from the friction created from running for the first time. These particles, if left in the oil can reduce the engine’s service life,

If the manufacturer suggests changing the oil every 100 hours, it may pay in the long term to halve that interval for the first oil change.

When changing the oil, precautions should be taken to avoid spilling oil into the environment.

Some tools to make this process easy and clean are a manual vacuum pump:

Or if working with a portable engine, remove the engine from the transom and place it on a service rack.

Ensure you have an appropriate container to catch the old oil as it drains as well as some petroleum product diapers and rags handy should you have an accidental spill.

Remove the oil drain plug on the side of the engine (see engine manual), just above the engine’s lower unit. Once removed, the engine oil will start to drain out into your waste oil container.

Once the oil is completely drained, replace the plug and tighten. Make sure to recycle your old oil at an appropriate facility. Most auto body shops provide this service.

With the plug securely in place, open the oil fill cap and place a funnel in the opening. Using a grade of lubrication oil recommended by the manufacturer, slowly fill the engine with oil. Do not exceed the capacity indicated in the manual.

Spark plugs:  The spark plug(s) is a common item that ought to be inspected and replaced at regular intervals. These little cylindrical pieces provide the tiny spark which ignites the fuel-air mixture during the ignition/power cycle of two and four-stroke engines.

There is one spark plug for each cylinder in a given engine. They are relatively inexpensive and it’s always good to have extras.

Over time, the plug can develop carbon build-up which can prevent the plug from sparking and the fuel from igniting. It’s one of the first places to look when troubleshooting “failure to start” and acceleration issues.

The picture below shows what the carbon build-up on a spark plug looks like with the plug removed from the engine.

In this case, just a small wire brush to clean the carbon was required to get the spark plug clean and the engine running again.

Gap distance: each engine has a specific distance between the ground electrode and the center required for proper ignition. If this distance is off, the power cycle will not function properly. Use a gap tool, feeler gauge, or caliper gauge to measure the distance and compare it to the manufacturer’s requirements.

In the case that the spark plug has worn and the gap distance has increased beyond the manufacturer’s ignition system specs, you can adjust the gap by gently bending the ground electrode (curved metal arm) to the required distance.

Spark plugs should be inspected every six months and replaced annually.

Flushing the Engine:

Saltwater can do a number on metal components and engine parts. And since most of the outboards listed above are water-cooled, if you operate your boat on the ocean, saltwater is run through that cooling system, inviting corrosion to start.

To prolong your engine’s service life, it is good to flush it with fresh water after each use in saltwater ideally, or before the boat will be taken out of service for an extended period.

Couplings to conduct a fresh-water flush can be purchased:

• West Marine

Just mount your engine on an outboard service rack such as these:

…Or leave it on the boat on a trailer out of the water.

Attach the flush coupling to the water intake on the engine’s lower unit.

Connect a garden hose to the coupling and turn it on.

Start the engine and let it run for several minutes, flushing the freshwater through its intake and internal components. Your engine will thank you!

Fuel maintenance: a gasoline engine will only run well if it is fed well. An often overlooked factor of engine maintenance is taking care of the fuel you put in your outboard. It’s easy to forget to treat your gasoline with a stabilizer when filling up, and if not used in a timely manner, the fuel can degrade and the engine will not function, or it will run rough.

If you’re able to, mix 50% or more fresh gasoline with the old gasoline to run your engine and use up the old gasoline.

Electrolysis: another factor that becomes an overlooked maintenance item is electrolysis. Electrolysis “refers to the passage of electricity through an electrolyte” ( Calder, 486 ). It can occur when two dissimilar metals are immersed and the current is passed through the metals leading to the transfer of electrons from the “less noble” metal to the “more noble” metal. The result is the corrosion of the less noble metal.

To combat this effect, manufacturers outfit their engines with a “less noble” metal attachments, usually made of zinc, as a “sacrificial anode.” As electrolysis occurs, the zinc corrodes, rather than the important components of your outboard engine, like your propeller and prop shaft .

In the picture above, you can see the early stages of corrosion on the zinc/sacrificial anode located above the propeller on an outboard motor.

For the sacrificial anodes to work, they need to have contact with naked metal. There must be no paint separating contact between the zinc and the metal surface.

These zincs should be changed for new ones when the corrosion has gotten to an advanced stage.

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19 Popular Boats With Outboard Motors (with Pictures & Prices)

In this article, we will look at some popular boats with outboard motors. They are popular for various reasons, as we will get into below.

Here are 19 boats you should check out. We have categorized them per boat type so it’s easy for you to find the ones you are looking for.

Let’s get started!

4 Pontoon Boats You Should See

Pontoon boats are most commonly equipped with outboard motors but they do offer both inboard and outboard options.

Because of the design of the boat and the ease of maintenance the standard option for a pontoon is an outboard motor.

Under $40,000.00:

1. princecraft vectra 25 rl.

The Princecraft Vectra 25 RL is a top quality and affordable pontoon boat that features a lot of space that can accommodate up to 12 people.

This boat features chaise lounges, a sundeck, swim platform, large table, and many more luxuries.

This boat can handle an outboard engine that ranges between 40 and 115 horsepower. You can even get 200 horsepower if you have the optional Sport Configuration.

This vessel has a base price of $35,079.00.

$40,000.00 to $70,000.00:

2. starcraft sls 5 dc.

The Starcraft SLS 5 DC is a pontoon boat that offers a ski pylon, boarding ladder, changing room, and even a windscreen.

This boat is 25’ 10” long and can seat up to 14 people.

This boat offers many different luxury features and can be customizable.

This boat allows for an outboard motor of up to 300 horsepower.

This boat offers a starting price of $62,392.00.

3. Bennington SX 23 SBRX

The Bennington SX 23 SBRX is a luxury pontoon with all the luxuries that the Bennington brand has to offer.

This boat features enhanced entertainment options, vinyl upholstery, and other luxurious options for a reasonable price.

This boat is 23’ 11.5” long and can seat up to 11 passengers.

This boat features an outboard motor that can have up to 200 horsepower.

This boat has a starting price of $45,387.00.

Over $70,000.00:

4. harris solstice dc 250.

The Harris Solstice DC 250 has a heavy sports influence that features a lounge and additional comfort features.

This boat is 27’ 2” and includes a sporty look that has a dual console configuration and can seat between 12-13 people.

This boat can have an outboard motor that has up 400 horsepower.

This is a high-performance pontoon boat that is the best of both worlds of speed and comfort.

This boat has a starting price of approximately $90,000.00.

Deck Boats:

Deck boats are boats that come with an open floorplan and the seats are often set into the vessel.

These boats also commonly feature an outboard motor.

Some popular deck boats are listed below.

Under $30,000.00:

5. bayliner element e21.

The Element E21 made by Bayliner is the largest model in the Element line of vessels. It is 20’ 8” long and can seat up to 10 people at once.

This boat has a high level of comfort as well as value like all of the boats that are manufactured by Bayliner.

This boat also has seats on the stern that can convert into a large sun pad that allows for plenty of space.

This boat can have an outboard motor that has up to 150 horsepower.

You can get a Bayliner Element E21 for a starting price of $28,629.00.

$30,000.00 to $50,000.00:

6. hurricane sundeck 187 ob.

The Hurricane Sundeck is a small and sporty deck boat that is 18’ 10” in length and can seat up to 10 passengers.

This boat features a ladder on both the bow and the stern and comes with a live well with a pump.

This boat also features a great windshield to make piloting more comfortable.

The boat allows for an outboard motor of up to 200 horsepower.

You can get this small sporty deck boat for a starting price of $34,900.00.

Over $50,000.00:

7. regal 26 fasdeck.

Regal’s FasDeck series has been created with looks in mind. This boat comes with a much more attractive appeal than other deck boats in its class.

In addition to the attractive appeal, these boats also emphasize luxury and space.

This model is bigger than their 22’ option and is 26’ 6” allowing it to provide more space and comfort for those aboard.

Unique features like social seating, additional layout choices, more space and storage, and even an enclosed full-size head that allows for comfortable boating for you and your passengers.

This boat was built with watersports in mind and offers a low to the water swim platform for ease and convenience.

This boat allows for an outboard motor of up to 350 horsepower.

You can buy this model for a starting price of over $80,000.00. If that is too expensive, you could always look at the 22’ option with a starting price of just over $50,000.00

Fishing Boats:

Fishing boats are just what they sound like. Boats that are designed with fishing in mind.

This is exhibited in the equipment and layout of the specific boat. Fishing boats are often aluminum with an outboard motor but can be many types of boats.

For the purpose of this article, I have chosen to classify fishing boats as the classic aluminum style.

8. Alumacraft Competitor 185 Sport

This boat is a perfectly sized aluminum fishing boat that offers spacious features as well as equipment designed to make fishing easier.

This boat is only 18’ 8” long and comes with 3 deluxe seats that were built for fishing.

Some features include rod storage, live wells that include timers, trolling systems, and other optional fishing options.

This boat can feature an outboard motor up to 150 horsepower.

You can purchase this boat for a price that could fall between $28,010.00 and $37,730.00.

Over $30,000.00:

9. crestline 2100 raptor.

This boat is also an aluminum fishing boat that prides itself on its pro-level fishing options such as a large casting deck, a 17 tube illuminated rod locker, a windshield that you can walk-through, and a bow and stern live well.

This boat is 20’ 11” in length and has a maximum capacity of 7 people.

You can equip this vessel with an outboard motor of up to 350 horsepower.

This boat comes with a starting price of $53,611.00.

Sailboats also can feature outboard motors even though they are mainly powered by the wind propulsion in their sails.

Oftentimes, motors on sailboats are used mainly for docking and maneuvering in tough areas, but they can also be used for instances when you have little to no wind.

10. Catalina 22

This boat comes with both a fixed or lifting keel depending on whether you buy the Capri or Sport version. This boat is ideal for racing but is also easy to handle and trailer with a small crew.

The boat also features an open cabin that can sleep a family of 4 and is 23’ 10” in length.

This boat can be fitted with an outboard motor up to 7 horsepower.

The starting price for this vessel can be between $22,000.00 and $31,000.00 depending on which model you choose to go with.

$30,000.00 to $100,000.00:

11. beneteau 22.

For those of you looking for a similar model to the Catalina 22 but you would prefer more deck space than space below, you might want to look into the Beneteau 22.

Beneteau prides this model on being safe and ideal for learning to sail. This boat features a hull with positive flotation and a larger cockpit that will allow more sailors onboard. This boat is 21’ in length and is ideal for beginners when it comes to both sailing and trailering their vessels.

You can fit this boat with an outboard motor of up to 10 horsepower.

This boat is more expensive than the Catalina and features a starting price of closer to $40,000.00.

Over $100,000.00:

12. varianta 37.

If you are looking for a more advanced and competitive sailing option, you should consider the Varianta 37. This boat offers any amenities that you need in a 37’ frame while offering a more reasonable price than its similar competitors.

This boat, while offering everything you might need, is known for keeping to the basics so that you can enjoy a reasonable price tag on such a large vessel.

This boat can be equipped with an outboard motor of up to 20 horsepower.

The starting price for this boat is approximately $150,000.00.

Inflatable Boats:

Some boats serve a main purpose to ferry you to other, larger boats. These are the most commonly inflatable dinghies.

These are often small and able to be attached or even brought on to longer vessels and can be equipped with outboard motors as an option.

Under $1,000.00:

13. goplus inflatable dinghy.

This boat is made up of enough air tubes to make sure you do not need to worry about failure or sinking. This boat features a weight limit of up to 600 pounds and has built-in benches to sit on ready to seat 4 people.

You can mount an outboard motor of up to 4 horsepower on the back of this vessel.

This boat features a low cost of approximately $300.00.

Over $1,000.00:

14. shark inflatable dinghy 9.8.

This boat is similar to the Goplus dinghy but is made to handle more speed. You can fit up to 1,200 pounds an up to four people on this impressive inflatable model.

This boat allows for an outboard motor of up to 15 horsepower.

This motor on a boat of this size should give you all the speed you are looking for! This boat is a little pricier with a price of approximately $1,400.00.

Center Console Boats:

Another type of boat you might be looking at in your list of boats with outboard motors is a center console boat. These boats are often used for fishing but they can be used for other family activities while out on the water as well.

Like all the examples before, these boats also commonly feature an outboard motor.

$50,000.00 to $100,000.00:

15. boston whaler 190 montauk.

This boat is a great center console option for both fishermen and those who just want to get out on the water and enjoy the day.

This boat features additional upgrades like a teak package that includes a swim platform and helm footrest. This package gives this boat a nostalgic look.

If you are looking for fishing features, you will need to look no further. You can get vertical rod holders, an outboard draining fish box, and other luxuries for fishermen.

This boat is 19’ 4” in length and can seat up to 8 passengers comfortably.

You can install an outboard motor of up to 150 horsepower on this vessel.

This boat has a starting price of around $78,000.00.

16. Mako 334 CC

This boat’s main function is built with fisherman in mind. Every inch of space on this vessel is utilized in the most efficient way for the avid fisherman.

You can get this boat in a standard, family, or sportfish addition.

This boat features elevated performance as well as great style. You can get plenty of storage options for bait and tackle, insulated port and starboard in-deck fish boxes, dive doors with stowable ladder, and even a submerged Sea Chest that keeps 4 pumps running.

This boat is mighty and can hold up to 1050 horsepower. This would have to be accomplished using multiple outboard motors.

This boat has a higher cost than our previous examples of approximately $264,900.00.

Power Cruisers:

Power cruisers are similar to other power vessels with the added luxury of multiple cabins and under deck amenities.

These boats, like all others, generally come equipped with an outboard motor, and can be equipped with high power.

Because of the luxuries equipped, these boats are often more expensive. They also generally require motors with high levels of horsepower which can also get expensive.

If you plan to purchase this type of boat, you will want to make sure you plan for a larger budget with this option.

Under $200,000.00:

17. cutwater c-24.

The Cutwater C-24 Coupe Boat is a luxurious cabin cruiser that combines the ease of trailering and maneuvering with a small group of people with all the luxuries of spending a few nights out on the water.

This boat combines speed and luxury in one great package. You can use this boat for overnight travel, fishing, watersports or other fun activities.

This boat has a private stateroom and head, galley, and a salon that seats four and can transform into an additional berth.

This boat also offers many entertainment options such as GPS, fishfinder, radio, Bluetooth stereo, and other great features.

You can also upgrade with a generator, air-conditioning, heating, and other options.

This boat is fitted with an outboard motor with 250 horsepower.

You can purchase this grand boat with a starting price of $118,437.00.

Over $200,000.00:

18. four winns vista 355.

This boat is an elegant vessel with everything that you need to travel. This boat offers high luxury with a temperate-controlled cabin, thoughtful design, and a high level of consideration to ease and comfort.

This boat has many types of luxuries such as a deep reach ladder, transom access, many sun pads that are hinged to avoid having to step on the cushion, plenty of comfortable seating and other additional options.

This boat is 35’ in length and can fit up to 12 passengers comfortably.

This boat features a head, multiple berths, and galley.

You can use a 300 horsepower outboard motor on this vessel.

This boat has a starting price of $318,000.000

19. Jeanneau NC 33

This boat offers excellent high-quality luxury for the entire family. Highly well-built and luxurious with a tasteful design that will be the envy of all your friends.

This boat prides itself on its high levels of technology and innovation. The center console features the latest designs in travel and navigation.

This boat features 2 large double berths, a head with a separate shower compartment, and a galley with a dinette.

This boat offers a maximum level of horsepower of 440 and features twin motors of 220 horsepower apiece.

This boat is valued at approximately $450,000.00.

Tips on Purchasing an Outboard Motor:

Now that you have decided that an outboard motor is right for you, you will want to make sure you pick the right one. When purchasing your outboard motor, there are some things to keep in mind.

Above, I have indicated how much horsepower each boat can handle. Power is an important consideration to make when searching for a motor.

If you plan to tow any objects for water sports, you will want more horsepower than if you do not plan to tow something.

You will want to make sure that you do not equip your boat with more power than it can handle, but you will want to make sure you have enough power for your vessel to sufficiently be propelled forward.

If you have a sailboat you only need enough power to help you during moments of tough navigation.

If you need large amounts of power you might want to look into getting more than one motor. It is not uncommon for a boat to have 2 or even 3 outboard motors attached to the back of their vessel. This helps to balance the power distribution of your watercraft.

Another thing to consider during all parts of your boat buying decision, you will want to keep your budget in mind.

If you have a lower budget you might want to consider a used motor. Outboard motors can be good for around 3,000 hours. This means that a gently used motor could be an ideal way to save some money.

If you do choose to buy a used motor, make sure that you make sure that it doesn’t have any issues. Looking to make sure it is cleaned properly and in working order is important.

If possible, you might even want to run it and make sure there are no red flags such as the wrong colored smoke.

Durability:

Make sure when you buy your outboard motor, you find one that will last. Even though an outboard motor is easier to replace than an inboard option, you will want to make sure that you do not have to replace yours more often than necessary.

Make sure you read reviews and buy from a trustworthy manufacturer and brand.

The most popular brands of outboard motors include Mercury, Evinrude, Yamaha, and Suzuki.

What brand you choose will rely mainly on how much power you need, what your budget is, and what specifications you are looking for.

Maintaining your Outboard Motor:

Now that you have invested in the proper outboard motor, you will want to make sure you are protecting your investment and increasing the motor life of your engine.

This means you will want to complete regular maintenance on your engine.

Some proper motor care includes:

• Flushing out the motor after outings.
• Starting the motor before you head out and let the water pump out properly.
• Making sure the water is flowing properly through the motor and that there is no water in the fuel.
• Check for leaks, cracks or worn down spots.
• Clean and lubricate all the moving parts.
• Always use fresh fuel and replace the fuel that has been sitting for long periods of time.
• Check for rust or corrosion.
• Make sure the vent is working properly.
• Get your motor serviced regularly.
• Make sure you change your oil regularly.
• Properly winterize your boat and make sure you are paying attention to the proper winterizing steps for your motor and fuel.
• Make sure you run your motor while on land before you take it out for the first time of the season so you can fix anything necessary. This will help prevent you from finding an issue while out on the water.
• Make sure you always have extra spark plugs.

The proper care and maintenance can increase the life and fuel efficiency of your motor that will make sure you are not replacing it earlier than you should be.

Outboard versus Inboard Motors:

It is important to know the difference between an inboard and an outboard motor before you decide to purchase one or the other.

Outboard Motor Pros:

An outboard motor is one that is attached to the deck of a boat, often using a bolted stand or other fastening options.

These motors can be controlled by the dashboard of your vessel or by directly steering it with a handle on a smaller boat.

Having an outboard motor will allow you to buy motors after the initial purchase of the boat, as well as purchasing more than one motor for the same vessel.

There are many pros to purchasing an outboard motor. These pros include:

• Lower initial cost.
• Higher top speeds.
• Larger open cockpit.
• Long engine life of about 3,000 hours.
• Multiple options can be purchased across many different vessels.
• Easy to winterize.
• Easy to conduct maintenance on.
• Easy to repair when needed.
• Easy to replace if needed.

Outboard motors are ideal for people who prefer quick-handling, tight turn ratio, and better maneuverability with lower speeds.

These motors are also good for boating in shallow waters because the prop tilts up.

Outboard Motor Cons:

Like everything, there are also cons when it comes to an outboard motor. These include:

• Lower fuel efficiency.
• Lower service life than inboards.
• Not as ideal for transom use around fish.

When it comes to comparing the pros and cons, it is obvious that an outboard motor has far more pros and would be a great option.

Even with lower torque, you can still equip your boat with an outboard motor by adding a second or even third motor for really heavy boats.

Inboard Motor Pros:

An inboard motor is either mounted into the center or your boat or stowed inside the transom and does not hang off the back.

An inboard motor is often high-performing engines that are repurposed for marine use. Because these motors are more complex, they have a longer lifespan than outboard motors.

The pros of an inboard motor are:

• Higher fuel efficiency.
• Quieter operation.
• Long engine life of about 6,000 hours.
• Superior torque and power.
• Centered and lower weight.

Inboard motors are favored when it comes to watersports including skiing or wakeboarding because they have better wake control, more towing power, and the transom is clear for towing ropes.

Inboard Motor Cons:

The cons of an inboard motor include:

• Higher initial cost.
• Lower top speeds.
• More spray from your boat.
• Less cockpit space.
• More difficult winterization.
• More difficult maintenance.
• More difficult to repair.
• More difficult to replace.

Looking at all the pros and cons above, you might be considering an outboard motor. This is an excellent choice!

All of my former boats have featured outboard motors and they have worked excellent for both speedboats and pontoon boats.

If you also would like an outboard motor, keep reading for some great options of boats with outboard motors.

Final Thoughts:

Outboard motors are an overall easier motor choice for your boat. It is easier to manage them, replace them, and choose the best motor for you.

When you are choosing a boat, you should make sure that you get the proper motor that is right for you and the intended purpose of your recreational watercraft.

Luckily, outboard motors are an option that come with all types of boats so you are not limited in your choices.

With the proper boat and motor, you can spend many happy memories out on the water with friends and family.

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Everything We Know About Yamaha's Hydrogen Outboard Engine

Ben Speciale, President of Yamaha's U.S. Marine Business Unit, confirmed Yamaha's commitment to attaining carbon neutrality of its operations by 2035 and its products by 2050. Speciale went on to say, "We believe hydrogen is a viable method of achieving these goals," at the unveiling of the Yamaha Motor Corporation, U.S.A. hydrogen-powered outboard engine in Miami, Florida, on February 14, 2024. With that announcement, Yamaha joins other companies working on hydrogen-powered vehicles .

Yamaha's hydrogen-powered outboard engine, dubbed the H2, is part of a prototype project announced in December of 2023 that includes fuel system engineering by Roush CleanTech, part of the same organization as Roush Racing, and a modified 26-foot boat built by Regulator Marine. Joan Maxwell, President of Regulator Marine, said the project is important for testing hydrogen as an outboard engine fuel source, explaining, "If we don't look for a new source, we won't find a new source."

The H2's hydrogen fuel system requires large hydrogen storage tanks, one of the cons associated with hydrogen-powered vehicles , which the boat's hull must accommodate. Maxwell admits the Hydrogen tanks are larger than she envisioned at first, occupying valuable space in the prototype hull that typically houses fish boxes and marine head facilities.

Roush's Matt Van Benschoten, Vice President of Advance Engineering, said, "Yamaha is trying to determine if hydrogen can successfully be used in this market." In support of the prototype, scheduled to begin testing during the summer of 2024, Roush is providing the design and integration of the hydrogen fuel system, as well as safety analysis.

Yamaha's H2 outboard engine

Yamaha's H2 hydrogen-powered outboard engine uses hydrogen instead of gasoline in its combustion chambers. While this technology is a departure from the systems found in hydrogen fuel-cell vehicles (HFCV) driving the streets of California, it's more like the internal combustion engine we're accustomed to rather than battery electric vehicle (BEV) power.

The H2 hydrogen outboard is a derivative of Yamaha's XTO Offshore outboard engines. The XTO Offshore outboard's 5.6-liter V8 gasoline-engine produces up to 450 horsepower, making it one of the most powerful Yamaha boat motors ever made . Hydrogen's low volumetric energy density means the H2 will produce slightly less horsepower than the XTO Offshore using the same 5.6-liter displacement.

Examples from Cummins, a reputable diesel engine innovator, demonstrate the loss of power by comparing horsepower ratings of two 6.7-liter internal combustion engines, one gasoline powered and the other using hydrogen. The gasoline-powered Cummins 6.7-liter is rated at up to 325 horsepower compared to the hydrogen version with its 290-horsepower rating.

If the 10-percent power loss of the Cummins example is seen in the H2 outboard, it could still produce in excess of 400 horsepower. That output would put it in the ranks as one of the most powerful outboard boat engines available and with zero carbon emissions.

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1987 Evinrude 90 HP 4-Cylinder Carbureted 2-Stroke 20" (L) Outboard Motor

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New Sierra 25W-50 FC-W Semi-Synthetic Outboard Engine Oil Part # 18-9552-3

New Sierra 20W-40 FC-W 4-Stroke Mineral Outboard Engine Oil Part # 18-9450-2

New Sierra 25W-40 FC-W 4-Stroke Marine SternDrive & Outboard Engine Oil Part # 18-9400-2

New Sierra 10W-30 FC-W 4-Stroke Marine Outboard Engine Oil Part # 18-9420-2

New Sierra 10W-40 FC-W-Semi-Synthetic Marine Outboard Engine Oil Part # 18-9551-2

New Sierra 5W-30 Full Synthetic Outboard Engine Oil Part # 18-9558-2

New Sierra 5W-30 Semi-Synthetic Outboard Engine Oil Part # 18-9555-2

New OEM Johnson & Evinrude XPS Marine 10W40 Synthetic Outboard Blend Oil Part # 779440

New Sierra Direct Injection TC-W3 2-Cycle Outboard Oil (Gallon) Part # 18-9530-3

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Marine Parts Warehouse has provided used outboard and sterndrive parts for more than fifty years. As a family-operated business, we strive to ensure our customers' satisfaction with both the the parts they order and the service we provide. Our 28,000-square-foot facility in Scottsville, Kentucky is stocked with hundreds of complete outboard motors, and thousands of used outboard parts from all major outboard brands. From powerheads to gearcases and everything in between we help you stay on the water.

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Digital Electric Steering for Outboards

If you’ve ever fished a boat with cable steering, you’d remember that arm-jarring, herky-jerky exper...

Marty McFly

28th Aug 2024

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