2001 Yamaha YFM660 Raptor Factory Service Manual, Page 177Get this manual

2001 Yamaha YFM660 Raptor Factory Service Manual, Page 177

SWINGARM AND DRIVE CHAIN

NOTE: Before removing the drive chain and the sprockets, measure the drive chain slack and ten link section of the drive chain
REMOVING THE SWINGARM 1.Check: Swingarm free play

Checking steps: Check the tightening torque of the pivot shaft nutPivot shaft nut: 95 Nm (9.5 kg, 68 ft lb)