Yamaha YFM4FAR Service Manual page 383

4.On-command four-wheel drive switch
Refer to "CHECKING THE SWITCHES".
5.Gear motor
Check that the shift fork sliding gear is in
G
the 2WD position.
Disconnect the gear motor coupler.
G
Remove the gear motor from the differen-
G
tial gear case.
Connect the battery (12 V) to the gear
G
motor terminals.
2WD → 4WD:
Battery (+) terminal →
Brown/White terminal 1
Battery (–) terminal →
4WD → 2WD:
Battery (+) terminal →
Battery (–) terminal →
Make sure that the drive gear (shift fork
G
sliding gear) operates correctly.
NOTE:
When installing the differential gear case in
the gear motor, refer to "FRONT CONSTANT
VELOCITY JOINTS AND DIFFERENTIAL
GEAR" in CHAPTER 7.
2WD/4WD SELECTING SYSTEM
*
C0NTINUITY
CORRECT
Sky blue terminal 2
Sky blue terminal 2
Blue/Black terminal 3
CORRECT
*
INCORRECT
Replace the on-command four-wheel drive
switch.
INCORRECT
Replace the gear motor.
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