2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 337Get this manual
BRAKE SYSTEM
REAR BRAKE
BRAKE DRUM REMOVAL
Remove the rear wheel (page 15-6)Remove the cotter pinRemove the right rear hub nut and wheel hubCOTTER PIN
WHEEL HUB Remove the bolts and brake drum cover