Checking The Front Fork - Yamaha XT660Z 2008 Service Manual

NOTE:
Set the torque wrench at a right angle to the
steering nut wrench.
Steering nut wrench
90890-01403
Lower ring nut
(initial tightening torque)
45 Nm (4.5 m·kg, 33 ft·lb)
c. Swing full stroke the steering two or three
times.
d. Loosen the lower ring nut completely, and
then tighten it to the specified torque.
WARNING
Do not overtighten the lower ring nut.
Lower ring nut
(final tightening torque)
7 Nm (0.7 m·kg, 5.1 ft·lb)
e. Check the steering head for looseness or
binding by turning the front fork all the way
in both directions. If any binding is felt, re-
move the lower bracket and check the upper
and lower bearings.
Refer to "STEERING HEAD" on page 4-56.
f. Install the plain washer "2".
g. Install the upper ring nut "3".
h. Finger tighten the upper ring nut "3", and
then align the slots of both ring nuts. If nec-
essary, hold the lower ring nut and tighten
the upper ring nut until their slots are
aligned.
i. Install the lock washer "1".
NOTE:
Make sure the lock washer tabs "a" sit correct-
ly in the ring nut slots "b".
7. Install:
• Upper bracket
• Washer
• Steering stem
Steering stem nut
130 Nm (13.0 m·kg, 93.4 ft·lb)
8. Tighten:
• Upper bracket pinch bolts
Upper bracket pinch bolt
23 Nm (2.3 m·kg, 17 ft·lb)
9. Install:
• Handlebar
• Upper handlebar holders
Refer to "HANDLEBAR" on page 4-42.
Upper handlebar holder bolt
23 Nm (2.3 m·kg, 17 ft·lb)
EAS00149

CHECKING THE FRONT FORK

1. Stand the motorcycle on a level surface.
WARNING
Securely support the motorcycle so that
there is no danger of it falling over.
2. Push up the lower part of the rubber protec-
tions.
3. Check:
• Inner tubes
Damage/scratches → Replace.
• Oil seals
Oil leakage → Replace.
3-24
CHASSIS