Yamaha YFM80GX Owner's Manual page 86

Tightening torque:
1
Engine oil drain bolt:
2 20 Nm (2.0 m·kgf, 14.5 ft·lbf)
7. Add the specified amount of the recommend-
3
ed engine oil, and then install and tighten the
4 engine oil filler cap.
Recommended oil:
5
See page 10-1.
6 Oil quantity:
0.80 L (0.85 US qt) (0.70 Imp.qt)
7
ECB00300
CAUTION:
8
G In order to prevent clutch slippage (since the
9
engine oil also lubricates the clutch), do not
mix any chemical additives. Do not use oils
10
with a diesel specification of "CD" or oils of
a higher quality than specified. In addition,
11
do not use oils labeled "ENERGY CONSERV-
ING II" or higher.
G
Make sure that no foreign material enters the
crankcase.
8. Start the engine, and then let it idle for several
minutes while checking it for oil leakage. If oil
is leaking, immediately turn the engine off and
check for the cause.
9. Turn the engine off, wait at least ten minutes,
and then check the oil level and correct it if
necessary.
8-12