2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 316Get this manual
BRAKE SYSTEM If brake bleeder is not availableu se he fo llow ng procedure: Pump up the system pressure with the rear brake pedal ntit the pedal resistance is feltConnect plastic hose to th bleed val and bleed the system as follows:
1Depress the rear rake pedal, open the bleed val ve 14 turn and then close it
NOTE: Do not re lease the brake pedal unt il the bleed va lve has been cl osed2Release the brake ped slowly and wait seve ral- seco nds after it reac hes the end of its travel-
Repeat he steps and nt air bu bbles do not app ear in th bl eed ho se