1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 187Get this manual

PRIMARY AND SECONDARY SHEAVES

3.Apply: BEL-RAY assembly libe (to the guide pin sliding groove Q), and oil seal l1li)

4.lnstall: Spring seat Compression spring Spring seat Nut

Installing steps: .Attach the sheave fixed block, locknut wrench and sheave spring compressor to the secondary sheave assySheave fixed block:

PINYM-04135, 90890-04135
Locknut wrench:

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives