1987 Honda Fourtrax TRX 250X Service Manual, Page 173Get this manual
REAR WHEELDRIVE MECHANISM Install the rubber seals and stopper boltApplV grease to the caliper mounting plate installation surface of the bearing holderInstall the O-ringTemporarily install the socket bolt
Install the caliper mounting plate onto the swing armInstall the large snap ring with "OUT SIDE" mark facing out and with its ends positioned as shown