Yamaha BIG BEAR PROFESSIONAL 400 YFM400FPT Owner's Manual page 282

1. Drain bolt
1. Boulon de vidange
1. Perno de drenaje
6. Fill the transfer gear case with oil.
Recommended oil: See page 10-2
Quantity:
Transfer gear oil and engine oil with
filter replacement:
2.8 L
CAUTION:
Be sure no foreign material enters the transfer
gear case.
7. Install the filler bolt and tighten to specifica-
tion.
Tightening torque:
Filler bolt (transfer gear case):
23 Nm (2.3 m·kgf)
8. Check for oil leakage. If oil leakage is found,
check for the cause.
9. Reinstall the transfer gear case guard.
8-31