Yamaha 2004 YXR660 Service Manual page 185

PRIMARY AND SECONDARY SHEAVES
3. Apply:
• BEL-RAY assembly lube
(to the guide pin sliding grooves 1, and O-
rings 2
New
4. Install:
• spring seat
• compression spring
• spring seat
• nut
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a. Attach the sheave fixed block, locknut
wrench and sheave spring compressor to
the secondary sheave assembly.
Sheave fixed block
P/N. YM-04135, 90890-04135
Locknut wrench
P/N. YM-01348, 90890-01348
Sheave spring compressor
P/N. YM-04134, 90890-04134
b. Place the sheave fixed block in a vise and
secure it.
c. Tighten the sheave spring compressor nut
1 and compress the spring.
d. Install the nut 2 and tighten it to the speci-
fied torque using the locknut wrench.
Nut
90 Nm (9.0 m · kg, 65 ft · lb)
e. Remove the sheave spring compressor,
locknut wrench, and sheave fixed block.
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ENG
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M MMM M M MMM M M MMM M
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