Yamaha BIG BEAR YFM400FPS Owner's Manual page 280

1. Drain bolt
1. Boulon de vidange
1. Perno de drenaje
4. Remove the oil filler bolt and the drain bolt to
drain the oil.
5. Install the drain bolt, and then tighten it to the
specified torque.
Tightening torque:
Final gear oil drain bolt:
23 Nm (2.3 m·kgf)
6. Add the recommended final gear oil to the
brim of the filler hole.
Recommended oil:
SAE 80 API GL-4 Hypoid gear oil
Oil quantity:
0.25 L
CAUTION:
_
Be sure no foreign material enters the final
gear case.
_
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