Yamaha TT-R125(W) Owner's Service Manual page 236

STEERING HEAD INSPECTION AND ADJUSTMENT
Tighten the lower ring nut 6 using steer-
G
ing nut wrench 7 and turn the steering
right and left a few times.
NOTE:
Set the torque wrench to the steering nut
wrench so that they form a right angle.
Steering nut wrench:
YU-33975/90890-01403
Lower ring nut (initial tightening):
38 Nm (3.8 m • kg, 27 ft • lb)
Loosen the lower ring nut one turn.
G
Retighten the lower ring nut using the
G
steering nut wrench.
WARNING
Avoid over-tightening.
Ring nut (final tightening):
20 Nm (2.0 m • kg, 14 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 rubber washer 8, upper ring
G
nut 9 and special washer 0.
NOTE:
Tighten the upper ring nut until it contacts
G
the rubber washer.
Insert the special washer pawls into the
G
slots. If the slots are not aligned, tighten
the upper ring nut for alignment.
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INSP
ADJ