1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 240Get this manual
CONSTANT VELOCITY JOINTS AND DIFFERENTIAL GEAR
IDRIV I-ID-I
CONSTANT VELOCITY JOINT INSPECTION 1.lnspect: Double off-set joint spline Ball joint spline Shaft spline ReplaceWeardamage 2.lnspect: Dust boots Cracksdamage Replace
Always use new boot band3.lnspect: Balls and ball races Inner surface of double off-set joint Pittingweardamage Replace