Yamaha Grizzly YFM66FAV Owner's Manual page 134

CAUTION:
_
In order to prevent clutch slippage
G
(since the engine oil also lubricates
the clutch), do not mix any chemical
additives. Do not use oils with a diesel
specification of "CD" or oils of a high-
er quality than specified. In addition,
do not use oils labeled "ENERGY
CONSERVING II" or higher.
Make sure that no foreign material en-
G
ters the crankcase.
_
12. Start the engine and warm it up for seve-
ral minutes. While warming up, check for
oil leakage. If oil leakage is found, turn
the engine off immediately and check for
the cause.
13. Turn the engine off, and then check the
oil level and correct it if necessary.
14. Install panel F.
8-20