Breaking In Engine - Yamaha 40C Owner's Manual

EMU01776

BREAKING IN ENGINE

Your new engine requires a period of
break-in to allow mating surfaces of mov-
ing parts to wear in evenly. Correct break-
in will help ensure proper performance
and longer engine life.
cC
8 Failure to follow the break-in procedure
could result in reduced engine life or
even severe engine damage.
8 Premix fuel must be used during break-
in, in addition to oil in the oil injection
system.
Break-in time: 10 hours
Gasoline to engine oil premix ratio
during break-in: 50:1
3-10
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