Yamaha YXR660FAS Service Manual download pdf (Page 407)

9 - 55

– +

ELEC

2WD/4WD SELECTING SYSTEM

CORRECT

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.

*

INCORRECT

Replace the gear motor.

È

É

EB803028

CORRECT

9. Wiring connection

• Check the connections of the entire 2WD/

4WD selecting system.

Refer to “CIRCUIT DIAGRAM”.

Replace the C.D.I. unit.

POOR CONNECTION

Properly connect the 2WD/4WD selecting

system.

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