2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 286Get this manual
FRONT WHEELSUSPENSIONSTEERING Remove the cotter pins and loosen the ball joint castle nuts, but do not remove them yetCASTLE NUTS
COTTER PINS Release the ball joints, using the special tool according to the following instructionsTOOL: Ball joint remover, 28 mm 07MAC-SL00201 07MAC-SL0A202 (U.S.Aonly) or 07MAC-SL00200 and 07MAC-SL0A300 (U.S.Aonly)
BALL JOINT REMOVER Apply grease to the ball joint remover at the point shownThis will ease installation of the tool and prevent damage to the pressure bolt threadsInsert the jaws carefully, making sure that you do not damage the ball joint bootIf necessary, apply penetrating type lubricant to loosen the ball joint