NIKKI 2-Barrel: Overhaul: Disassembly

1. Remove carburetor and cover intake manifold port with clean shop towel to prevent dust and dirt from entering. Disconnect accelerator pump rod from lever and remove lever from main body. See Fig 1.
2. Unhook throttle return spring and remove bracket. Disconnect fast idle rod from fast idle lever. Remove vacuum hose from choke diaphragm to main body. Remove slow fuel cut valve and automatic choke heater leads. Remove thermostat cover and gasket.
3. Remove choke housing. Remove cotter pin and washer from rod selector and unhook unloader return spring. Disconnect secondary throttle rod from shaft. Remove secondary throttle actuator from main body. Unscrew slow fuel cut valve from main body and remove it. Remove fuel inlet assembly bolt lock and spacer, and detach air horn from main body.
4. Remove fuel inlet fitting from main body. Remove fuel strainer, inlet bolt and needle valve assembly. Remove fuel bowl sight glass cover, gasket, glass and gasket. Remove float lever pin collar and float.
5. Remove accelerator pump plunger cover and gasket and plunger spring. Turn carburetor over and remove inlet check ball. Remove screw and washer holding pump discharge weight and ball, turn carburetor over and remove weight and ball.
6. Remove idle jets, main jets, and all air bleeds from main body. See Fig 1. Remove power valve. Remove curb idle adjusting screw and spring from lower body. Remove primary and secondary discharge nozzles, retaining screws and washers. Remove nozzles and gaskets.
7. Remove air bleed screws from discharge nozzles and remove emulsion tubes. Remove lower body from main body. Remove accelerating pump actuating lever, choke actuating lever, throttle return lever and idle adjusting lever.
8. Mark throttle valve in relationship to bore and shaft. Remove throttle valve and slide shaft out of lower body.

Fig 1: Removing and Installing Jets and Air Bleeds

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