Yamaha YFM660FS, Supplementary Service Manual

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CHK
ADJ
CHECKING THE CONSTANT VELOCITY JOINT DUST BOOT/CHECKING
THE STEERING SYSTEM/ADJUSTING THE TOE-IN
CHECKING THE CONSTANT VELOCITY
JOINT DUST BOOT
1.Check:
●
Dust boots
1
Damage
→
Replace.
Refer to “FRONT CONSTANT VELOCITY
JOINTS AND DIFFERENTIAL GEAR” in
CHAPTER 7.
CHECKING THE STEERING SYSTEM
1.Place the machine on a level surface.
2.Check:
●
Steering assembly bushings
Move the handlebar up and down, and/or
back and forth.
Excessive play
→
Replace the steering stem
bushings.
3.Check:
●
Tie-rod ends
Turn the handlebar to the left and/or right
until it stops completely, then move the han-
dlebar from the left to the right slightly. Tie-
rod end has any vertical play
→
Replace the
tie-rod end(s).
4.Raise the front end of the machine so that
there is no weight on the front wheels.
5.Check:
●
Ball joints and/or wheel bearings
Move the wheels laterally back and forth.
Excessive free play
→
Replace the front
arms (upper and lower) and/or wheel bear-
ings.
ADJUSTING THE TOE-IN
1.Place the machine on a level surface.
2.Measure:
●
Toe-in
Out of specification
→
Adjust.
Toe-in:
0 ~ 10 mm (0.00 ~ 0.39 in)
(with tire touching the ground)