2006 Honda TRX680 Rincon Factory Service Manual, Page 415Get this manual
BRAKE SYSTEM REAR BRAKE
Remove the right side cover (page 3-5)Remove the rear brake reservoir cap, set plate and diaphragm
Connect the bleed hose to the rear brake caliper bleed valveLoosen the bleed valve and pump the brake lever until no more fluid flows out of the bleed valve
BLEED VALVE BLEED HOSE
BRAKE FLUID FILLINGBLEEDING
FRONT BRAKE Close the front brake caliper bleed valveFill the front master cylinder reservoir with DOT brake fluid from sealed containerFollow the manu- Connect commercially available brake bleeder to
facturer's operating the bleed valveinstructions