Yamaha TT-R125(R) Owner's Service Manual page 202

STEERING HEAD INSPECTION AND ADJUSTMENT
3. Check:
Steering smooth action
G
Turn the handlebar lock to lock.
Unsmooth action → Adjust steering ring
nut.
4. Adjust:
Steering ring nut
G
Steering ring nut adjustment steps:
Remove the number plate and starter
G
knob.
Remove the handlebar and upper bracket.
G
Remove the special washer 1
G
Remove the upper ring nut 2, and rubber
G
washer 3.
Loosen the lower ring nut 4 using the
G
steering nut wrench 5.
Steering nut wrench:
YU-33975/90890-01403
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.
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INSP
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