Question: Can You Make Your Own Boat Motor?

How much does it cost to put a new motor in a boat?

Rebuilding your engine will cost around $2,500. That difference of $1,000 to $2,000 will buy a lot of gas, so consider carefully. The same-size engine in a newer four-stroke or DFI two-stroke model will add at least a $1,500 premium, so those 90 to 115 horsepower models could now run upward of $6,000.

Is it hard to put a motor on a boat?

As long as you have an engine hoist or a chain hoist and a place to hang it, and then get a lifting ring to mount on the motor, it is easy. Just be sure to get a lifting ring to bolt onto the top of the motor to be able to lift safely.

Can you run a regular boat motor in the ocean?

Can I use a freshwater boat in saltwater, and vice versa? For the most part, freshwater boats can be used in saltwater. However, boat owners need to be aware of the increased potential for corrosion. To reduce these risks, be sure to flush out the engine with freshwater following your trip.

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Can you put a riding mower motor on a push mower?

Most push mowers have a single cylinder engine, although some riders also have a single cylinder engine. From a “will it work” standpoint, yes it will work, but may lack in power. There are other issues, such as how does the starter work and can you adapt the throttle and choke controls.

How many hours do boat motors last?

The average marine gasoline engine runs for 1,500 hours before needing a major overhaul. The average marine diesel engine will run for more than three times that long and log an average 5,000 hours under the same conditions.

Can you put any engine in a boat?

Answer: In principle, a diesel engine is a diesel engine, so an automotive diesel will work fine in a boat. And, in fact, many marine diesel engines are nothing more than “marinized” car or truck engines. The engine will want a water-cooled exhaust manifold and a wet exhaust (a dry exhaust is too noisy).

What’s better inboard or outboard motor?

Inboard/outboards are just “marinized” automobile engines stuck in a boat. Outboards provide more room in the boat because they are installed on the transom, outside the boat. Four-stroke outboards offer much better fuel economy, less GPH, more MPG than I/O motors. Outboards offer better power to weight ratio.

How far below the boat should the prop be?

If you have a short shaft motor, the top most part of the transom and the lower most part of the boat should be about 15 to 16 inches. For a long shaft, I think 20 to 21 inches is correct.

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How far should a boat motor be in the water?

A boat rigger’s rule of thumb is that the motor can be raised one inch for each eight to 10 inches of distance between the transom and prop. As the prop moves further aft, it’s also likely to be in cleaner, “harder” water, and be more efficient.

Can you swap boat motors?

Swapping out old outboards isn’t as simple as you may think, but it’s worth the effort and expense to upgrade to high-tech digital motors. Swap your middle-aged outboards while they’re still firing on all cylinders. You won’t be buying just new engines, you’ll get new technology, too.

Can you run a saltwater motor in freshwater?

no problems. Saltwater motors are more robust (from a components perspective, corrosion resistance) than non-saltwater rated motors. The only reason is the expense of a salt water motor vs freshwater. If you already have it, it will work fine in fresh water.

What does salt water do to a boat?

Saltwater can corrode metal up to 10 times faster than freshwater. Additionally, ocean boating is often rougher and requires a hull designed to handle more intense conditions.

How long do outboards last in saltwater?

A typical estimate from the industry is that an outboards motor last around 1,500 hours of operation. Assuming the average owner uses their boat 200 hours a year, this would mean that the motor would last between seven and eight years. That sounds about right in my experience.

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