Yamaha 250A, Owner'S Manual

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3-8
GB
c C
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)
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
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
Gasoline (petrol) : Oil=50 : 1
61A-9-7A (E,F,S) 3A 4/25/01 9:34 AM Page 84