2001 Yamaha YFM660 Raptor Factory Service Manual, Page 233Get this manual

CLUTCH 5.Install: Clutch spring

8 Nm (0.8 kg, 5.8 ft lb)

NOTE: Tighten the bolts in stages, using crisscross pattern

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