Yamaha YFM660FR, Supplementary Service Manual

Page: 43 / 56

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DRIV
FRONT CONSTANT VELOCITY JOINTS AND
DIFFERENTIAL GEAR
5.Check:
●
Front drive shaft assembly operation
Unsmooth operation
→
Replace the front
drive shaft assembly.
ASSEMBLING THE DIFFERENTIAL GEAR
1.Measure:
●
Gear lash
Refer to “MEASURING AND ADJUSTING
THE DIFFERENTIAL GEAR LASH”. in
CHAPTER 7. (Manual No.: 5KM2-AE1)
2.Install:
●
Gear motor
*****************************************************
Installation steps:
●
Slide the shift fork sliding gear
1
, which is
installed to the differential gear, to the left to
put it into the 2WD mode.
●
Connect two C size batteries to the gear
motor terminal
2
to operate the pinion gear
3
. Operate the pinion gear until the paint
mark
4
on the gear is aligned with the paint
mark
5
on the gear motor case.
CAUTION:
Do not use a 12 V battery to operate the
pinion gear.
●
Insert 8 mm bolts
6
into the gear motor
7
and use them as a guide to set the motor on
the differential gear assembly
8
so that the
shift fork sliding gear
9
does not move.
CAUTION:
If the position of the shift fork sliding gear
is moved, the position of the differential
gear and the indicator light display may dif-
fer, and the 2WD or differential lock mode
may not be activated.
●
Remove the 8 mm bolts, and then install the
motor with the gear motor bolts.
*****************************************************
T
R
.
.
Bolts (gear motor)
13 Nm (1.3 m • kg, 9.4 ft • lb)