2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 390Get this manual
REAR DRIVING MECHANISM Remove the rear axle by driving the axle from the left side using rubber malletREAR AXLE
INSPECTION
REAR AXLE Set the axle in V-blocks and measure the axle runout with dial indicatorAxle runout is 12 the total indicator readingSERVICE LIMIT: 3.0 mm (0.12 in)
AXLE BEARING Remove the dust seals from the axle housing and brake panelTurn the inner race of each bearing with your fingerThe bearings should turn smoothly and quietlyAlso check that the bearing outer race fits tightly in the housing or panelAXLE BEARINGS