Yamaha 2004 Rhino 660 YXR660FAS Service Manual page 407

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8. Gear motor
• Disconnect the gear motor coupler.
• Remove the gear motor from the differen-
tial gear case.
Refer to "FRONT CONSTANT VELOCITY
JOINTS, DIFFERENTIAL GEAR AND
DRIVE SHAFT" in chapter 7.
• Connect two C size batteries to the gear
motor terminals 1 (as shown illustrations).
È Check that the pinion gear 2 turns counter-
clockwise.
É Check that the pinion gear 2 turns clockwise.
• Make sure that the drive gear (shift fork
sliding gear) operates correctly.
NOTE:
When installing the differential gear case in
the gear motor, refer to "FRONT CONSTANT
VELOCITY JOINTS, DIFFERENTIAL GEAR
AND DRIVE SHAFT" in chapter 7.
EB803028
9. Wiring connection
• Check the connections of the entire 2WD/
4WD selecting system.
Refer to "CIRCUIT DIAGRAM".
Replace the C.D.I. unit.
2WD/4WD SELECTING SYSTEM
CORRECT
CORRECT
9 - 55
È
É
INCORRECT
Replace the gear motor.
POOR CONNECTION
Properly connect the 2WD/4WD selecting
system.
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ELEC