Warning. Do not remove check valve and butterfly valves.
1. Remove the water hose from the throttle body nipple and from the wax element nipple (for automatic valve).
2. Remove mix chamber linkage from free arm.
3. Remove the connector bracket.
4. Remove the mixing chamber (throttle actuator).
5. Remove the accelerator pump linkage from the throttle lever.
6. Loosen the screw "IN" float chamber cover and remove the throttle body.
7. Loosen the screws "A" and remove the float chamber cover from the main body.
8. To remove the float chamber cover assembly, place a screwdriver blade between the enrichment and float chamber covers as shown, apply slight pressure and lift gently.
Warning. Do not apply excessive force.
9. Remove the pin and pull out the float and needle valve.
Warnings:
1) Do not drop the float or apply excessive weight to it.
2) Take care not to damage the end of the needle valve.
10. To remove the needle valve seat, pry it out from both sides with a flat blade screwdriver.
Warning. Take care not to damage the float chamber cover when extruding the needle valve seat.
11. Remove the holder and pull out the shut-off solenoid valve.
12. Using a screwdriver or other tool with a thin flat end, press the locking section and remove the two terminals from the connector.
13. Remove the accelerator cable support bracket.
14. Remove auxiliary jets and main air jet.
Note. When removing the jets, use a screwdriver that fits exactly into their slots and be careful not to damage the jets.
15. Remove the accelerator pump check valve ball and weight.
Note. Flip the camera; to remove the accelerator pump check valve ball and weight located on the gasket surface.
16. Separate the float chamber from the throttle body.
17. Remove the main jets.
Note. When removing the main jets, use a screwdriver that fits exactly into their grooves and be careful not to damage the jets.
18. Remove the three screws securing the enrichment valve cover to the enrichment valve seat on the float chamber. Remove cover, spring and diaphragm. Unscrew enrichment valve from seat.
19. Use a screwdriver to loosen the enrichment jet and remove the spring and ball from the enrichment jet valve.
Warning. The valve has many small parts. Don't lose them.
20. Remove four screws (there is a thread seal), connecting the accelerator pump cover to the float chamber. Remove the accelerator pump cover, diaphragm, spring, pump housing and gaskets.
Note. When reinstalling, apply sealant to the screw threads and make sure that the pump body, gasket and cover are properly installed.
21. Remove the E-clip and outer washer on the second throttle shaft and remove the diaphragm spring from the shaft.
22. Remove the two screws attaching the diaphragm bracket to the throttle body and remove the second throttle diaphragm.
23. Remove the additional accelerating pump.
24. To remove the blunt, clamp the carburetor in a vise and drill a 2 mm hole in the casting surrounding the mixture adjustment screw (MAS), then ream this hole to a diameter of 3 mm. Insert a blunt beard into the hole and knock the plug out.