Yamaha 100A - Breaking In (Running In) Engine

GB
3-10
EMU00223
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.
cC
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
YAMAHA AUTOLUBE SYSTEM.
Mixing ratio
50 : 1
Gasoline (Petrol)
Engine oil
0.02 L 0.24 L 0.28 L 0.48 L
(0.02 US qt, (0.25 US qt, (0.30 US qt, (0.51 US qt,
0.018 Imp qt) 0.21 Imp qt) 0.25 Imp qt) 0.42 Imp qt)
1 L 12 L 14 L 24 L
(0.26 US gal, (3.2 US gal, (3.7 US gal, (6.3 US gal,
0.22 Imp gal) 2.6 Imp gal) 3.1 Imp gal) 5.3 Imp gal)
Break-in (running-in) time:10 hours
Break-in (running-in) premix ratio
(for Pre-mix model):
Gasoline (Petrol) : Engine oil =25 : 1
Refer to “Gasoline/Petrol and Oil
Mixing”.
EMU00225
Gasoline (Petrol)/ Engine oil mixing chart
Break-in (running-in) premix ratio
(for Autolube System model)
Gasoline (Petrol) : Engine oil =50 : 1
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