Yamaha TT-R90(T) Owner's Service Manual page 156

SPOKES INSPECTION AND TIGHTENING/WHEEL INSPECTION/
STEERING HEAD INSPECTION AND ADJUSTMENT
SPOKES INSPECTION AND TIGHTENING
1. Inspect:
Spokes 1
G
Bend/damage → Replace.
Loose spoke → Retighten.
2. Tighten:
Spokes
G
NOTE:
Be sure to retighten these spokes before and
after break-in. After a practice or a race check
spokes for looseness.
EC36T000
WHEEL INSPECTION
1. Inspect:
Wheel runout
G
Elevate the wheel and turn it.
Abnormal runout → Replace.
2. Inspect:
Bearing free play
G
Exist play → Replace.
STEERING HEAD INSPECTION AND
ADJUSTMENT
1. Elevate the front wheel by placing a suit-
able stand under the engine.
2. Check:
Steering shaft
G
Grasp the bottom of the forks and gen-
tly rock the fork assembly back and
forth.
Free play → Adjust steering head.
3 - 15
INSP
ADJ
2 Nm (0.2 m · kg, 1.4 ft · lb)