DISASSEMBLY

1. Remove the should screw retaining the fast idle cam and rod assembly to the lower body.
2. Remove the six screws holding the upper body to the lower carburetor body and carefully lift off the upper body. The gasket should come away with the upper body and care should be exercised to see it is not adhering to the lower body.
3. Withdraw the float arm pivot pin and remove the float.
4. Extract the needle valve.
5. Lift off the gasket for the upper body.
6. Remove the needle valve housing and extract the gauze screen.
7. Remove the main jet.
8. Remove the thermostatic spring and water housing, if not already removed.
9. Remove the screw securing the thermostatic spring. Remove the thermostatic spring lever, the choke piston lever, the choke piston link and the piston from the inner housing.
10. Remove the two screws retaining the choke inner housing and withdraw the inner housing and gasket from the carburetor.
11. Remove the choke control lever and shaft assembly and the choke control rod from the inner housing. Carefully remove the Teflon bushing.
12. Remove the two screws securing the choke plate to the shaft and withdraw the choke plate.
13. Remove the burrs from around the choke plate screw holes and withdraw the choke shaft and lever assembly.
14. Remove the weight and the accelerator pump discharge ball.
15. Unscrew the four screws securing the accelerator pump in position, and remove the accelerator pump body, operating arm, diaphragm, and return spring; and, the fuel shut-off washer and its return spring.
16. Disconnect the accelerator pump push rod and spring assembly from the pump operating lever and the arm on the throttle shaft.
17. Remove the accelerator pump lever from the throttle shaft.
18. Loosen the two screws clamping the throttle plate within the shaft and remove the plate.
19. Remove the burrs from around the throttle plate screw holes and withdraw the throttle shaft from the body.