Breaking In Engine - Yamaha 20D Owner's Manual

EMU01781

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.
cC
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
For premix models
Gasoline to engine oil premix ratio
during break-in: 50:1
For details on mixing fuel and oil,
see "Gasoline and oil mixing" in
this chapter.
For oil injection system models
Gasoline to engine oil premix ratio
during break-in: 100:1
EMU00225
Gasoline (petrol)/Engine oil mixing chart
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)
Engine oil
(0.01 US qt, (0.13 US qt, (0.15 US qt, (0.25 US qt,
0.01 Imp qt) 0.11 Imp qt) 0.12 Imp qt) 0.21 Imp qt)
3-12
100 : 1
1 L 12 L 14 L
0.01 L 0.12 L 0.14 L
GB
24 L
0.24 L