1998-2004 Honda Foreman 450 factory service manual, Page 105Get this manual
FUEL SYSTEM Check the valve for nicks, grooves or other damageCheck the valve seat for wearCheck the O-ring for wear or damageNOTE: The SE valve and O-ring must be replaced as setSE VALVE O-RING
VALVE SEAT
FLOAT AND JETS
Disconnect the air vent tube, air cut off valve tube and overflow tube from the carburetor body