Should you run the gas out of your boat motor?

Darby Okuneva asked a question: Should you run the gas out of your boat motor?
Asked By: Darby Okuneva
Date created: Thu, Jul 15, 2021 12:07 PM
Date updated: Thu, May 26, 2022 2:25 PM


Top best answers to the question «Should you run the gas out of your boat motor»

Running your carb motor out of gas will help with the build up, but over years of use there is still going to be build up from it sitting. If you leave the fuel in untreated it wont take very long at all for the jets and float/floats to be gummed up.

No. If you are REALLY worried, fog the motor as is runs out of fuel… You can use a fuel stabilizer to keep your fuel fresh over the winter. Before you put your boat away for the winter, fill the tank about 90-95% and be sure to add the appropriate amount of fuel stabilizer.


Those who are looking for an answer to the question «Should you run the gas out of your boat motor?» often ask the following questions:

⚓ Should you cover your boat motor?

So don't cover the motor. If you have your boat shrink-wrapped, ask them to either work around the motor, or leave gaps around the transom so some air can get to the motor.

⚓ How often should you start your boat motor?

A few hours every week keeps the motor in better shape than using it two or three full days every month. The more often it gets used, the better it will run, just like any vehicle. If it's left sitting idle at the marina or in a garage for the majority of the time, parts tend to go bad faster.

⚓ Should i cover my boat motor?

So don't cover the motor. If you have your boat shrink-wrapped, ask them to either work around the motor, or leave gaps around the transom so some air can get to the motor.

9 other answers

Re: should I run all the fuel out of my motor ? The advantage is you don't have old gas sitting in your carb and evaporating out of it. The bad side is I don't like leaning out any engine to shut it off, especially a 2-stroke. On my 80's

There is no harm in running your motor out of fuel with four strokes engines, but it's not necessary to do in most cases (again, refer to your owners manual). If it's a carburetted four stroke , you can pretty easily run it out of fuel at the end of the day just as a precaution, although it's not a 'must do' if you're using the boat again regularly.

If you are the once a month weekend boater then yes, you should use ethanol-free gas. However, if you are the hardcore fisherman who is on the water every other day and you know you are going to burn through the gas in your

You'll never get all the fuel out of your carb bowls disconnecting the fuel line. Those few drops will gum up in a few weeks without a fuel stabilizer. Load the fuel tank with Stabil at their recommendation or slightly more. Run the engine for at least 10-15 minutes to get the stabilized fuel through the engine.

Not for too long, but leaving the gasoline in a boat is somewhat safe. However, in reality, people can’t empty the gas tank every time at the end of the boat trip. It’ll be frustrating to empty and then refill the gas before and after the boat trip if going semi-regularly.

posted 05-21-2004 10:00 AM ET (US) Growing up, we had small portable outboards and would always disconnect the fuel line and run the gas out of the motor after every use. We would actually figure out where on the lake we needed to disconnect the fuel line so we would run out just as we reached the dock. It seemed to keep those motors in good ...

And while we know you’re way too smart to run out of gas, you still might want to make sure your boat’s fuel gauge is accurate — or plan accordingly, if it’s not. In addition, knowing a bit about your boat’s fuel burn and operating range could save you from guessing, and then making that embarrassing call for help.

Disconnect the fuel line if the boat is going to be stored for an extended period of time. You should allow the engine to burn the small amount of fuel that is in the carburetor. Old fuel can gum up an engine, and the best way to keep the motor running at a high level is to burn off all fuel remaining in the mechanism.

“Every boat has an open-fuel-tank vent system, and that vent is almost like leaving the cap off your gas can. Moisture will get in, especially if your boat is kept outside or even under a carport.

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Should you shrinkwrap your own boat?
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When should you cover your boat?

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Where should you position your boat?

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What oil for boat motor?
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How often should you service your outboard motor?
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