Yamaha Big Bear YFM400R Owner's Manual page 120

2. Place the machine on a level surface.
3. Place a container under the final gear
case to collect the used oil.
4. Remove the oil filler bolt and the drain
bolt to drain the oil.
1. Final gear oil drain bolt
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, 17 ft·lbf)
6. Add the recommended final gear oil to
the brim of the filler hole.
Recommended oil:
See page 10-3.
Oil quantity:
0.25 L (0.22 Imp qt, 0.26 US qt)
CAUTION:
_
Be sure no foreign material enters the final
gear case.
_
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, 17 ft·lbf)
8-11