2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 288Get this manual
REAR CONSTANT VELOCITY JOINTFINAL DRIVE GEAR AND DRIVE SHAFT
MEASUREMENT AND ADJUSTING THE FINAL GEAR LASH Final gear lash measurement 1.Secure the gear case in vise or another supporting device2.Remove: Drain plug Gasket 3.Install: bolt of the specified size (into the drain plug hole)
CAUTION: