Yamaha YZ250F(R) Owner's Service Manual page 101

STEERING HEAD INSPECTION AND ADJUSTMENT
Tighten the steering ring nut 3 using
●
steering nut wrench 4.
NOTE:
Apply the lithium soap base grease on the
●
thread of the steering stem.
Set the torque wrench to the steering nut
●
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.
●
Retighten the steering ring nut using the
●
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
●
to lock. If there is any binding, remove the
steering stem assembly and inspect the
steering bearings.
Install the upper bracket 5, washer, steer-
●
ing stem nut 6, handlebar 7, handlebar
upper holder 8 and number plate 9.
NOTE:
The upper handlebar holder should be
●
installed with the punched mark a for-
ward.
Insert the end of fuel breather hose 0 into
●
the hole of the number plate.
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