2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 230Get this manual
HYDRAULIC DISC BRAKE Pump up the system pressure with the brake lever until lever resistance is feltConnect plastic hose to the bleed valve and bleed
the system as follows:
1Squeeze the brake lever, open the bleed valve 14
turn and then close itNOTE:
Do nol release the brake lever until the bleed valve has been closed
2Release the brake lever slowly and wait several seconds after it reaches the end of its travelRepeat the stepsand until air bubbles do not