Yamaha WOLVERINE YFM350FXR Owner's Manual page 115

Recommended oil:
See page 5-7.
Oil quantity:
Periodic oil change:
2.9 L (2.6 lmp qt, 3.1 US qt)
With oil filter replacement:
3.0 L (2.6 lmp qt, 3.2 US qt)
Total amount:
3.5 L (3.1 lmp qt, 3.7 US qt)
CAUTION:
Be sure no foreign material enters the
crankcase.
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