1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 242Get this manual
CONSTANT VELOCITY JOINTS AND DIFFERENTIAL GEAR
3.Check: Free play (thrust movement) Replace the joint assemExcessive play bly
DIFFERENTIAL GEAR ASSEMBLY 1.Measure: Gear lash Refer to "DIFFERENTIAL GEAR LASH MEASUREMENTADJUSTMENT" 2.lnstall: Gear motor Refer to "FEATURES" in CHAPTER 1
3.lnstall: Universal joint yoke O-ring Washer Nut Nm (6.2 kg, 45 ft Ib) Use universal joint holder Q)Universal joint holder: PINYM-04062, 90890-04062