1997 Yamaha YFM600FWAK ATV Service Manual, Page 226Get this manual
REAR AXLEFINAL DRIVE GEAR AND DRIVE SHAFT 1DRIV 1 1.5 mm (0.06 in)
FINAL GEAR LASH MEASUREMENT AND ADJUSTMENT Final gear lash measurement 1.Secure the gear case in vise or another supporting device2.Remove: Drain plug Gasket 3.lnstall: bolt of the specified size CD (into the drain plug hole)
Finger tighten the bolt until it holds the ring gearOtherwise, the ring gear will be damaged