2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 406Get this manual
HYDRAULIC BRAKE Connect bleed hose to the rear brake caliper bleed valveLoosen the bleed valve and pump the brake pedal until no more fluid flows out of the bleed valve
BRAKE FLUID FILLINGAIR BLEEDING
FRONT BRAKE
Close the front brake caliper bleed valveFill the front master cylinder reservoir with DOT brake fluid from sealed containerFollow the manufacturer's Connect commercially available brake bleeder to operating the bleed valveinstructions
Operate the brake bleeder and loosen the bleed valve
Check the fluid level often while bleeding the brake to prevent air from being pumped into the systemIf air enters the bleeder from around the bleed valve threads, seal the threads with teflon tape