Service manual

CHASSIS
3-21
EAS21510
CHECKING AND ADJUSTING THE
STEERING HEAD
1. Stand the vehicle on a level surface.
WARNING
EWA13120
Securely support the vehicle so that there is
no danger of it falling over.
NOTE:
Place the vehicle on a suitable stand so that the
front wheel is elevated.
2. Check:
●
Steering head
Grasp around the outer tube of the front fork
legs and gently rock the front fork.
Binding/looseness → Adjust the steering
head.
3. Remove:
●
Upper bracket
Refer to “STEERING HEAD” on page 4-47.
4. Adjust:
● Steering head
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Remove the lock washer “1”, the upper ring
nut “2”, and the rubber washer “3”.
b. Loosen the lower ring nut “4” first, then use
the steering nut wrench “5” and retighten the
nut with the specified torque. Next, check the
steering by turning it to the right and left a few
times.
NOTE:
Set the torque wrench at a right angle to the
steering nut wrench.
c. Loosen the lower ring nut “4” completely, and
then use the steering nut wrench and retight-
en the nut with the specified torque.
WARNING
EWA13140
Do not overtighten the lower ring nut.
d. Check the steering head for looseness or
binding by turning the front fork all the way in
both directions. If any binding is felt, remove
the lower bracket and check the upper and
lower bearings.
Refer to “STEERING HEAD” on page 4-47.
e. Install the rubber washer “3”.
f. Install the upper ring nut “2”.
g. Finger tighten the upper ring nut “2”, then
align the slots of both ring nuts. If necessary,
hold the lower ring nut and tighten the upper
ring nut until their slots are aligned.
NOTE:
Make sure the lock washer tabs “a” sit correctly
in the ring nut slots “b”.
Recommended lubricant
Engine oil or chain lubricant
suitable for O-ring chains
Steering nut wrench
90890-01403
Spanner wrench
YU-33975
Lower ring nut (initial tightening
torque)
38 Nm (3.8 m•kg, 2.8 ft•lb)
Lower ring nut (final tightening
torque)
4 Nm (0.4 m•kg, 2.9 ft•lb)
T
R
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T
R
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