2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 243Get this manual
REAR WHEELSUSPENSION bearing holder (by tapping it rom the rig ht side) O- rings
BEARI NG HOLDER
INSPECTION
Set the axle in v-blocks and measure the axle runout with dial indicatorActual runout is 12 the tota indicat or readi ng SERVICE LIMIT: 3.0 mm (0.12 in)
Turn the inner race of each bearing with your fingerThe bearin shou ld turn smooth ly and quietlyAlso check that the bearing outer races fit tightly in the ho lderReplace rhe bearmgs pairs
BEARING
Replace the bearings if the races do not rn smooth ly and quietly or if they fit loosely in the ho lder