Yamaha YXR70FX Owner's Manual page 114

Changing the final gear oil
1. Park the vehicle on a level surface.
2. Remove the final gear case guard by re-
moving the bolts and the collars.
1. Final gear case guard
2
1
2
2. Bolt and collar (× 7)
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
1. Final gear oil drain bolt
5. Reinstall the drain bolt, and then tighten it
to the specified torque.
Tightening torque:
Final gear oil drain bolt:
20 Nm (2.0 m·kgf, 14 ft·lbf)
8-17