Question: Which Better, Inboard Or Outboard Boat Motors?

Which is better an inboard or outboard motor?

Inboard vs. Because it will usually weigh less and be a more-efficient design, an outboard motor will typically deliver better fuel economy than a sterndrive. However, most sterndrives can not be tilted completely out of the water, while most outboards can clear the water when tilted all the way up.

What are the advantages of an inboard outboard motor?


  • Excellent fuel efficiency.
  • Quiet operation.
  • Increased longevity – usually beyond 6,000 hours.
  • Superior torque and power.

What are the disadvantages of an inboard motor?

Although you might think it was the other way around, inboard motors are a little more exposed than outboards. Scraps of fishing line, rubbish and seawater can easily find their way into the inboard motor compartment and cause damage to belts and seals.

Are inboard outboard motors bad?

It is very easy to damage the inboard engine system, by hitting unseen rocks. Inboard engines are not suited to shallow water. Outboard engines can be lifted higher so you do not hit rocks and other obstacle at the bottom. The only way to damage an outboard engine is to run aground at very high speeds.

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What is more reliable inboard or outboard?

Inboard motors generally last longer than their outboard counterparts. You can squeeze roughly 1,500 hours out of an inboard before necessary maintenance. Outboards, on the other hand, last about 750 hours on average. So, the inboard option means less maintenance (nearly half) even though they cost more initially.

How long do inboard motors last?

An inboard engine can run for an average of between 1500 to 2000 hours depending on the type. As with outboard engines, maintenance is crucial to prolonging the usefulness of an inboard motor. Ventilation is crucial for an inboard motor and should be continuously checked; otherwise overheating could cause a fire.

Why are inboard boats so expensive?

An inboard motor will usually be more expensive due to it being located inside of the boat. This can make it more challenging when it comes to maintenance and repair. A motor that has a higher horsepower, that can reach higher speeds is going to increase the cost.

How much do inboard boat motors cost?

If you run an inboard, expect to pay somewhere between $1,000 – $1,500. Most sailboats can do with a small 5 – 10 horsepower outboard engine without problems. These engines are easy to maintain and cheap to run.

How much does it cost to convert an inboard to outboard?

If you can do the labor yourself it would probably cost between $15,000 and $20,000.

Are inboard motors bad for saltwater?

It doesn’t matter what propels your boat — inboard, outboard, I/O, jet drive — nothing on your boat that comes in contact with saltwater is immune to its corrosive powers. The greater the salinity, the faster the corrosion.

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Are outboards better for salt water?

Outboard engine boats are better suited for shallow water, salt water, and pontoon boats.

Why are outboard motors so expensive?

Boat motors (outboards) are expensive because they are equipped with high-quality parts that are not only designed to resist constant working at max RPMs but made with materials meant to resist corrosion well. All of this needs significant work in R&D (more money), resulting in a pricey product.

Are outboard motors cheaper to maintain?

Lower Maintenance Outboard motors are more accessible and require less maintenance than inboards. They don’t need to be winterized, and you don’t have to raise the boat to access the engine. Generally, outboard motors are easier and cheaper to maintain.

What does salt water do to boat motors?

Saltwater is highly corrosive, meaning that the motor will need to be flushed after each use with freshwater. This is typically easier to do for outboard motors.

Can any boat motor go in saltwater?

No, you do not need a special outboard motor for saltwater. While saltwater can be extremely corrosive and damaging to an outboard motor and any other boat elements that contain metal, all modern outboard motors will operate in both freshwater and saltwater.

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