Yamaha GRIZZLY ULTRAMATIC YFM660FP Owner's Manual page 136

CAUTION:
_
Be sure to use motor oils that do not contain
anti-friction modifiers. Passenger car motor
oils (often labeled "ENERGY CONSERVING II")
contain anti-friction additives which will cause
clutch and/or starter clutch slippage, resulting
in reduced component life and poor engine
performance.
Oil quantity:
Total amount:
2.2 L
Periodic oil change:
1.9 L
With oil filter replacement:
2.0 L
5-17