2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 272Get this manual
BRAKE SYSTEM
BRAKE FLUID REPLACEMENTAIR BLEEDING
BRAKE FLUID DRAINING
With the master cylinder reservoir parallel to the
ground, remove the two screws, reservoir capset plate and diaphragm
Connect bleed hose to the bleed valveLoosen the bleed valve and pump the front brake leverStop pumping the lever when no more fluid flows out of the bleed valvePerform above procedure for the other side bleed valve
BRAKE FLUID FILLINGBLEEDING