Yamaha YXR7FD Owner's Manual page 133

Changing the differential gear oil
1. Park the vehicle on a level surface.
2. Remove the differential gear case guard
by removing the bolts and the collars.
2
1. Differential gear case guard
2. Bolt and collar (× 7)
2
1
2
3. Place an oil pan under the differential
gear case to collect the used oil.
4. Remove the differential gear oil filler bolt,
the differential gear oil drain bolt and their
gasket to drain the oil.
1. Differential gear oil drain bolt
2. Gasket
5. Install the differential gear oil drain bolt
and its new gasket, and tighten the bolt to
the specified torque.
8-20
2
1