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Breaking In (Running In) Engine - Yamaha 250A Owner's Manual

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cC
When operating the engine after a long
period of storage, be sure to take the
above steps; otherwise, engine seizure
may occur.
EMF51110
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
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.
Break-in (running-in) time: 10 hours
Break-in (running-in) premix ratio
Gasoline (petrol) : Oil=50 : 1
Mixing ratio
Gasoline (Petrol)
(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)
0.02 L
Engine oil
(0.02 US qt,
0.018 Imp qt) 0.21 Imp qt) 0.25 Imp qt) 0.42 Imp qt)
3-8
ENGINE
50 : 1
1 L
12 L
14 L
0.24 L
0.28 L
(0.25 US qt, (0.30 US qt, (0.51 US qt,
GB
24 L
0.48 L

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