Differential Gear Oil - Yamaha YFM66FGX Owner's Manual

1. Final gear oil
2. Final gear oil level check bolt
3. Correct oil level
Recommended final gear oil:
See page 10-1.
ECB00420
CAUTION:
Be sure no foreign material enters the final
gear case.
6. Install the oil level check bolt and oil filler bolt,
and then tighten them to the specified torques.
Tightening torques:
Final gear oil level check bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Final gear oil filler bolt:
23 Nm (2.3 m·kgf, 17 ft·lbf)
7. Check the final gear case for oil leakage. If oil
is leaking, check for the cause.
EBU23421

Differential gear oil

The differential gear case must be checked for oil
leakage before each ride. If any leakage is found,
have a Yamaha dealer check and repair the ATV.
In addition, the differential gear oil level must be
checked and the oil changed as follows at the in-
tervals specified in the periodic maintenance and
lubrication chart.
To check the differential gear oil level
1. Place the ATV on a level surface.
NOTE:
The differential gear oil level must be checked on
a cold engine.
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