2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 379Get this manual
3Remove the three screws securing the primer housingAccount for the diaphragm assembly, spring, and V-ring (in the housing)
5Remove the float pin
6Lift the float assembly from the carburetorAccount for the float needle valve4Remove the Phillips-head screws securing the float chamber; then remove the chamberAccount for the O-ring