1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 265Get this manual
BRAKE SYSTEM
BRAKE :BLEEDING
Connect clea bleed hose to the bleed valvePump up the system preSSLJ rlB with the lever until there are 110 air bubb les in the fluid fl'owing out of the master cyli nde and lever resistance iiS felt1Squeeze the brake lev eropen the ib leed va lve 12 turn and the close the valve
00 not re lease the brake lever until tile bleed valve has been dosed
2Re lease he brake lever when the bleed valve ha been closedRepeat steps and until bubbles cease to appear in the fluid coming out of the bleed valve,