Breaking In (Running In) Engine - Yamaha 50G 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.
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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
EMU00225
Gasoline (petrol)/Engine oil mixing chart
Mixing ratio
Gasoline
(0.26 US gal,
(Petrol)
0.22 Imp gal)
Engine oil (0.02 US qt,
0.018 Imp qt)
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Make sure to mix gasoline (petrol) and oil
completely, otherwise your outboard
motor may be damaged.
3-9
50 : 1
1 L 12 L 14 L
(3.2 US gal, (3.7 US gal,
2.6 Imp gal) 3.1 Imp gal)
0.02 L 0.24 L 0.28 L
(0.25 US qt, (0.30 US qt,
0.21 Imp qt) 0.25 Imp qt)
GB
24 L
(6.3 US gal,
5.3 Imp gal)
0.48 L
(0.51 US qt,
0.42 Imp qt)