Yamaha XP500, Service Manual

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3 - 54
CHK
ADJ
CHECKING AND ADJUSTING THE STEERING HEAD
6. Adjust:
• steering head
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a. Remove the lock washer
1
, the upper ring
nut
2
, and the rubber washer
3
.
b. Loosen the lower ring nut
4
and then
tighten it to specification with a steering nut
wrench
5
.
NOTE:
Set the torque wrench at a right angle to the
steering nut wrench.
c. Loosen the lower ring nut
4
completely,
then tighten it to specification.
WARNING
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 inspect the
upper and lower bearings.
Refer to “STEERING HEAD” in chapter 4.
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 neces-
sary, hold the lower ring nut
4
and tighten
the upper ring nut until their slots are
aligned.
h. Install the lock washer
1
.
NOTE:
Make sure that the lock washer tabs
a
sit cor-
rectly in the ring nut slots
b
.
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Steering nut wrench
90890-01403, YM-33975
T
R
.
.
Lower ring nut (initial tightening
torque)
52 Nm (5.2 m · kg, 37 ft · lb)
T
R
.
.
Lower ring nut (final tightening
torque)
20 Nm (2.0 m · kg, 14 ft · lb)