Yamaha 40V, Owner'S Manual

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EMF50212
BREAKING IN (RUNNING IN)
ENGINE
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.
c C
8
Failure to follow the break-in (running-
in) procedure may result in reduced
engine life or even severe engine dam-
age.
8
Premix fuel must be used during break-
in (running-in) in addition to oil in the
Precision Blend System.
Break-in (running-in) premix ratio (for
Pre-mix model):
Gasoline (Petrol) : Engine oil =25 : 1
Refer to “Gasoline/Petrol and Oil
Mixing”.
Break-in (running-in) time: 10 hours
Break-in (running-in) premix ratio (for
Precision Blend System model)
Gasoline (Petrol) : Engine oil =50 : 1
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