Differential Gear Oil Replacement - Yamaha BIG BEAR YFM400FPS Owner's Manual

1. Oil filler bolt
1. Boulon de l'orifice de remplissage d'huile
1. Perno del orificio de llenado de aceite
7. Install the oil filler bolt.
8. Check for oil leakage. If oil leakage is found,
check for the cause.
9. Install the final gear case cover bolts, and
then tighten them to the specified torque.
Tightening torque:
Final gear case cover bolt:
23 Nm (2.3 m·kgf)

Differential gear oil replacement

1. Place the machine on a level place.
2. Place a container under the differential gear
case to collect the used oil.
3. Remove the filler bolt and drain bolts to drain
the oil.
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EBU00826