Checking The Differential Gear Operation - Yamaha YFM7FGPW Service Manual

FRONT CONSTANT VELOCITY JOINTS AND
DIFFERENTIAL GEAR
EBS00177
CHECKING THE DIFFERENTIAL GEAR
OPERATION
1. Block the rear wheels, and elevate the front
wheels by placing a suitable stand under
the frame.
2. Remove the wheel cap from the axle nut
(right or left).
3. Measure the starting torque of the front
wheel (i.e., differential gear preload) with
the torque wrench.
NOTE:
_
• Repeat this step several times to obtain an
average figure.
• During this test, the other front wheel will turn
in the opposite direction.
Front wheel starting torque
(differential gear preload)
New unit
17 ~ 25 Nm
(1.7 ~ 2.5 m · kg, 12 ~ 18 ft · lb)
Minimum
10 Nm (1.0 m · kg, 7.2 ft · lb)
4. Out of specification → Replace the differen-
tial gear assembly.
5. Within specification → Install the new cotter
pin and wheel cap.
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DRIV