Yamaha YZ250F Fahrer- Und Wartungshandbuch Seite 246

STEERING HEAD INSPECTION AND ADJUSTMENT
B 0
C
9
8
7
6
Tighten the steering ring nut 3 using
G
steering nut wrench 4.
NOTE:
Apply the lithium soap base grease on the
G
thread of the steering stem.
Set the torque wrench to the steering nut
G
wrench so that they form a right angle.
Steering nut wrench:
YU-33975/90890-01403
Steering ring nut (initial tightening):
38 Nm (3.8 m • kg, 27 ft • lb)
Loosen the steering ring nut one turn.
G
Retighten the steering ring nut using the
G
steering nut wrench.
WARNING
Avoid over-tightening.
Steering ring nut (final tightening):
7 Nm (0.7 m • kg, 5.1 ft • lb)
Check the steering stem by turning it lock
G
to lock. If there is any binding, remove the
steering stem assembly and inspect the
steering bearings.
Install the washer 5, upper bracket 6,
G
washer 7, steering stem nut 8, steering
stem cap 9, handlebar 0, handlebar
upper holder A and number plate B.
NOTE:
The upper handlebar holder should be
G
installed with the punched mark a forward.
Insert the end of fuel breather hose C into
G
the hole in the steering stem cap.
CAUTION:
First tighten the bolts on the front side of
the handlebar holder, and then tighten
the bolts on the rear side.
Steering stem nut:
145 Nm (14.5 m • kg, 105 ft • lb)
Handlebar upper holder:
28 Nm (2.8 m • kg, 20 ft • lb)
Pinch bolt (upper bracket):
23 Nm (2.3 m • kg, 17 ft • lb)
Number plate:
7 Nm (0.7 m • kg, 5.1 ft • lb)
3 - 43
INSP
ADJ