2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 341Get this manual
REAR KNUCKLE AND STABILIZER
CHECKING THE REAR KNUCKLE 1.Check: Rear knuckle Damagepitting Replace2.Check: Rear wheel bearings Bearings allow play in the wheel hubs or the wheel turns roughly ReplaceOil seals Damage Replace Replacement steps: Clean the outside of the rear knuckleRemove the oil seals 1Drive out the bearings 2
WARNING
Eye protection is recommended when using striking toolsthe spacer 3lithium base grease to the bearings and oil sealsInstall the spacer to the rear knuckleInstall the new bearings Remove Apply