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Normal Running Circuit Used in Solex Carburetor

NORMAL RUNNING CIRCUIT :

 During the normal running, The throttle valve is partly opened. Now the engine suction is applied at the main jet. The fuel supplied through emulsion tube. There are holes in the emulsion tube at a different height. If the suction is less, the fuel comes out up to the first hole. When the suction increases, the fuel supply will come out from the first hole up to the last hole in the tube. The air enters directly through Venturi and mixes with the fuel and then flows to the cylinder. The air-fuel mixture is governed by the throttle valve. 


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