Carter YH Single Barrel: Overhaul: Disassembly

Remove inlet screen, then remove bowl cover. Remove float and float needle and seat. Remove bowl cover gasket, invert carburetor and remove pump discharge needle valve. Loosen pump lever screw from throttle shaft and slide lever off shaft and link. Depress small spring on pump with a screwdriver and remove spring seat and spring, then lift metering rod arm and rod from pump rod and metering jet. Raise pump arm enough to remove link, and remove pump arm. Remove diaphragm pump assembly, splash deflector plate and metering jet. Remove choke link clip and choke link, then remove choke housing cover, gasket and baffle plate, and slide choke lever out of housing. Remove throttle body flange assembly from carburetor main body, then remove idle speed screw and spring from throttle body.

NOTE: Do not remove choke valve, choke piston, or throttle valve unless shaft and piston are binding or if parts must be replaced.

File staked ends of throttle plate and choke plate screws level with shaft, then remove screws and plates. Remove throttle shaft by sliding out of throttle body. Rotate choke shaft until piston comes out of bore, then slide shaft assembly from main body. Remove choke housing and discard vacuum passage "O" ring.