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wallter

Breaking in a new motor.......... HELP!!!

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I have just purchased a new crestliner with an 80 h.p. Yamaha 4 stroke. I am looking for any and all tips on the best and/or quickest way to break in this motor??? This is the first time I have broken in a new motor.
Scared/Excited

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I would start off by reading the owners manual and doing exactly what they say to do. It may take a few trips to the lake, but it will be worth it in the future.

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If you keep track of running time, you are about to find out how long it is on the water when you seek to get 20 hours of break-in time. Don't know if that's what yours calls for, but 20 hrs used to be fairly common. For the smaller engines these days they are telling folks to run one break-in tank of 6 gallons.

The best advice I believe is to make certain you resist the urge to run wide open trottle and that you make certain you do not run at the same rpms for more than a few minutes at a time. Vary the speed to help all working parts adapt to their mechanical environment.

Have fun and take care of that new engine. It will return the favor.

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