2006 Honda TRX680 Rincon Factory Service Manual, Page 372Get this manual
FRONT WHEELSUSPENSIONSTEERING Remove the brake disc cover flange bolts and brake disc coverFLANGE BOLTS DISC COVER
Remove the cotter pins from the ball joint studsLoosen the ball joint nuts, but do not remove them yet
COTTER PINS, BALL JOINT NUTS
Release the ball joints, using the special tool according to the following instructionsTOOL: Ball joint remover, 28 mm 07MAC-SL00201 or 07MAC-SL0202 (U.S.Aonly) or 07MAC-SL00200 and 07MAC-SL0A300 (U.S.Aonly)