Yamaha RS90K Service Manual page 43

SHEAVE OFFSET ADJUSTMENT
• Install the secondary sheave, bolt (secondary
sheave) and washer.
• Recheck the sheave offset. If out of specifica-
tion, repeat the above steps.
NOTE:
When adjusting the sheave offset, the secondary
sheave free play (clearance) should be adjusted.
6. Measure:
• Secondary sheave free play (clearance) a
7. Adjust:
• Secondary sheave free play (clearance)
Adjustment steps:
• Apply the brake to lock the secondary sheave.
• Remove the bolt 1 and washer 2.
• Adjust the secondary sheave free play (clear-
ance) by adding or reducing a shim(s) 3.
2-26
INSP
Bolt (secondary sheave):
64 Nm (6.4 m · kg, 46 ft · lb)
Use a feeler gauge.
Out of specification → Adjust.
Secondary sheave free play (clear-
ance):
1.0 ~ 2.0 mm (0.04 ~ 0.08 in)
Shim size
Part number
90201-222F0 0.5 mm (0.02 in)
90201-225A4 1.0 mm (0.04 in)
ADJ
Thickness