2012 Yamaha Motorsports Big Bear 400 4x4 IRS Owners Manual - Page 98

2012 Yamaha Motorsports Big Bear 400 4x4 IRS Manual

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However, when using this oil, noise from the final gear case may occur when applying the rear brake. 7. Install the oil filler bolt and its new O-ring, and then tighten the bolt to the specified torque. Tightening torque: Final gear oil filler bolt: 24 Nm (2.4 m·kgf, 17 ft·lbf) 8. Check the final gear case for oil leakage. If oil is leaking, check for the cause. 9. Install the final gear case guard by installing the bolts and tightening them to the specified torque. Tightening torque: Final gear case guard bolt: 7 Nm (0.7 m·kgf, 5.1 ft·lbf) checked and the oil changed as follows at the intervals specified in the periodic maintenance and lubrication chart. To check the differential gear oil level 1. Place the ATV on a level surface. 2. Remove the differential gear oil filler bolt and its gasket, and then check the oil level in the differential gear case. The oil level should be at the brim of the filler hole. 8 1 2 3 4 EBU23426 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 8-18 1. 2. 3. 4. Differential gear oil filler bolt Gasket Differential gear oil Correct oil level

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8-18
8
However, when using this oil, noise from the final
gear case may occur when applying the rear
brake.
7.
Install the oil filler bolt and its new O-ring, and
then tighten the bolt to the specified torque.
8.
Check the final gear case for oil leakage. If oil
is leaking, check for the cause.
9.
Install the final gear case guard by installing
the bolts and tightening them to the specified
torque.
EBU23426
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.
2.
Remove the differential gear oil filler bolt and
its gasket, and then check the oil level in the
differential gear case. The oil level should be
at the brim of the filler hole.
Tightening torque:
Final gear oil filler bolt:
24 Nm (2.4 m·kgf, 17 ft·lbf)
Tightening torque:
Final gear case guard bolt:
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
1.
Differential gear oil filler bolt
2. Gasket
3.
Differential gear oil
4.
Correct oil level
1
2
3
4