Yamaha YZ125(R)/LC, Owner'S Service Manual

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3-36
STEERING HEAD INSPECTION AND ADJUSTMENT
INSP
ADJ
9
Loosen the ring nut one turn.
9
Retighten the ring nut using the ring nut
wrench.
w
Avoid over-tightening.
9 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.
9 Install the handle crown
5
, plain washer,
steering shaft nut
6
, handlebar
7
, handle-
bar holder
8
and number plate
9
.
NOTE:
9
The upper handlebar holder should be
installed with the punched mark
a
forward.
9
Insert the end of fuel breather hose 0 into
the hole of the number plate.
c C
First tighten the bolts on the front side of
the handlebar holder, and then tighten the
bolts on the rear side.
Ring nut wrench:
YU-33975/90890-01403
Ring nut (initial tightening):
38 Nm (3.8 m•kg, 27ft•lb)
Steering shaft nut:
145 Nm (14.5 m•kg, 105 t•lb)
Handlebar upper holder:
28 Nm (2.8 m•kg, 20 ft•lb)
Pinch bolt (handle crown):
23 Nm (2.3 m•kg, 17 ft•lb)
Number plate:
7 Nm (0.7 m•kg, 5.1 ft•lb)
Ring nut (final tightening):
7 Nm (0.7 m•kg, 5.1 ft•lb)