2004-2005 Honda TRX450R Factory Sevice Manual, Page 277Get this manual
HYDRAU LIC BRAKE
BRAKE FLUID REPLACEMENTAIR BLEEDING
BRAKE FLUID DRAINING
FRONT BRAKE
Turn the handlebar to the left until the reservoir is level before removi ng the reserv oir cap
Remove the screws, reservoir cap, set plate and diaphragm
Co nnect blee hose to he ro nt brake cal iper bleed valvel oosen th bleed va lve and pu he fro nt br ake lever until no more fluid flows out of the bleed valveREARBRAKE