Yamaha 2002 TDM900 Service Manual page 142

CHECKING AND ADJUSTING THE STEERING HEAD
4. Adjust:
S 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 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.
Steering nut wrench
90890-01403
Lower ring nut
(initial tightening torque)
52 Nm (5.2 mSkg)
c. Loosen the lower ring nut completely, then
tighten it to specification.
WARNING
Do not overtighten the lower ring nut.
Lower ring nut
(final tightening torque)
15 Nm (1.5 mSkg)
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" in chapter 4.
e. Install the rubber washer 2 .
f. Install the upper ring nut 3 .
g. Finger tighten the upper ring nut 3 , 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.
h. Install the lock washer 1 .
NOTE:
Make sure the lock washer tabs a sit correctly
in the ring nut slots b .
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CHK
ADJ