2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 128Get this manual
CHECKING THE CONSTANT VELOCITY JOINT DUST BOOTCHECKING THE STEERING SYSTEMADJUSTING THE TOE-IN
CHECKING THE CONSTANT VELOCITY JOINT DUST BOOT 1.Check: Dust boots Damage ReplaceRefer to "FRONT CONSTANT VELOCITY JOINTS AND DIFFERENTIAL GEAR" in CHAPTER 7
CHECKING THE STEERING SYSTEM 1.Place the machine on level surface2.Check: Steering assembly bushings Move the handlebar up and down, andor back and forthExcessive play Replace the steering stem bushings