Yamaha RS90K, Service Manual

Page: 264 / 841

4-3
POWR
TR
PRIMARY SHEAVE AND DRIVE V-BELT
REMOVAL
1. Remove:
• Primary sheave assembly
1
NOTE:
Use the primary sheave holder 2 , primary sheave
puller
3
, and primary fixed sheave puller bolt
attachment (90mm).
Sheave holder:
90890-01701, YS-01880-A
Primary sheave puller:
90890-01898,
YS-01881-A, YS-01881-1
Primary fixed sheave puller bolt
attachment (90 mm)
90890-01539
DISASSEMBLY
1. Remove:
• Fixed sheave
1
• Stopper 2
• Sliding sheave
3
• Bushing 4
• Spider
5
Removal steps:
• Immerse the primary sheave assembly in 80 ~
100 °C (176 ~ 212 °F) water for several min-
utes.
• Attach the lower piece of the clutch spider sepa-
rator 6 onto a rigid table using suitable mount-
ing bolts.
• Then, install the clutch separator adapter 7
onto the separator.
Clutch spider separator:
90890-01711, YS-28890-C
Clutch separator adapter:
90890-01740, YS-34480