Yamaha TT-R90(V), Owner'S Service Manual

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INSP
ADJ
STEERING HEAD INSPECTION AND ADJUSTMENT
Ring nut wrench:
YU-1268/90890-01268
• Tighten the ring nut
4
using ring nut
wrench
5
and turn the steering right and
left a few times.
NOTE:
Set the torque wrench to the ring nut wrench
so that they form a right angle.
Ring nut wrench:
YM-33975/90890-01403
T
R
.
.
Ring nut (initial tightening):
38 Nm (3.8 m • kg, 27 ft • lb)
• Loosen the ring nut one turn.
• Retighten the ring nut using the ring nut
wrench.
WARNING
Avoid over-tightening.
T
R
.
.
Ring nut (final tightening):
1 Nm (0.1 m • kg, 0.7 ft • lb)
• Check the steering shaft by turning it lock
to lock. If there is any binding, remove the
steering shaft assembly and inspect the
steering bearings.
• Install the handle crown
6
, handlebar
7
,
and front fender.
CAUTION:
Install the handlebar holder with its
groove
a
facing outward, and tighten
the bolts so that the gaps
b
are equal.
T
R
.
.
Steering stem bolt:
40 Nm (4.0 m • kg, 2.9 ft • lb)
Front fork cap bolt:
40 Nm (4.0 m • kg, 2.9 ft • lb)
Handlebar upper holder:
13 Nm (1.3 m • kg, 9.4 ft • lb)
5
4
2
3
a
b b