Yamaha VIKING 2021 Owner's Manual page 113

2. Remove the differential gear oil filler bolt
and its gasket, and then check the oil lev-
el. It should be up to the brim of the filler
hole.
1. Differential gear oil filler bolt
2. Gasket
3. Differential gear oil
4. Correct oil level
3. If the level is low, add sufficient oil of the
recommended type to raise it to the
specified level.
4. Check the gasket for damage, and re-
place it if necessary.
5. Install the differential gear oil filler bolt
2 1
3
Changing the differential gear oil
4 1. Park the vehicle on a level surface.
2. Place an oil pan under the differential
3. Remove the differential gear oil filler bolt,
9-19
and its gasket, and then tighten the bolt
to the specified torque.
Tightening torque:
Differential gear oil filler bolt:
23 N·m (2.3 kgf·m, 17 lb·ft)
gear case to collect the used oil.
the differential gear oil drain bolt and their
gasket to drain the oil.
9