1997-2001 Honda TRX250 Fourtrax Recon Service Manual, Page 240Get this manual
BRAKE SYSTEM BRAKE BLEEDING Connect clear bleed hose to the bleed valvePump up the system pressure with the lever until there are no air bubbles in the flu id flowing out of the master cylinder and lever resistance is elt1Squ eeze the brake leveropen the bleed va lve 1 turn and then close the valve NOTE :
Do not release the brake lever unti the bleed va Ive has been closed
2Release the brake lever until the bleed va lve has been closedRepeat steps and until bubbles cease to appear in the fluid coming out of the bleed valve