Breaking In (Running In) Engine - Yamaha 13.5A Owner's Manual

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Engine
8 Check the engine and engine mounting.
8 Look for loose or damaged fasteners.
8 Check the propeller for damage.
8 Check that the battery is in good condi-
tion and battery connections are secure.
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BREAKING IN (RUNNING IN)
Your new engine requires a period of
break-in (running-in) to allow mating sur-
faces of moving parts to wear-in evenly.
Correct break-in (running-in) will help
ensure proper performance and longer
engine life.
cC
Failure to follow the break-in (running-in)
procedure may result in reduced engine
life or even severe engine damage.
Break-in (running-in) time: 10 hours
Break-in (running-in) premix ratio:
Refer to "Gasoline/Petrol and Oil
Mixing".
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ENGINE
GB