![]() But unlike the main jet, slow jet will flow gasoline to idle jet which is located after the throtle valve. Slow jet is also a gasoline output that connecting the float chamber into the intake manifold. Main jet, connected directly into the float space with a sloping position (lower input position) this causes gasoline does not spill into the venturi. The diameter of the main jet is also adjusted to the engine capacity so that the ratio of gasoline and air mixture can always be stable. The main jet or also called main nozzle is the main channel that connects the float chamber with venturi, gasoline will come out through the main jet with the ideal volume. Thus, the volume of gasoline coming out into the venturi becomes more ideal. This ventilation channel will connect the float chamber with the outside, its purpose to keep the pressure inside the float space remain stable according to the outside air pressure. This reservoir holds gasoline from the fuel line at a pressure equal to atmospheric pressure. This space, serves as a transit space, Because here where gasoline is accommodated to be channeled into. However, if the volume of gasoline begins to fall then the buoy position will come back down. When the volume of gasoline is high then the buoyancy position will be higher, and this will push the needle up. The buoy function is to control the position of the float needle according to the volume of gasoline in the float chamber. When the needle returns down the gasoline will flow again because the channel is open.Ī buoy is a plastic-made component that floats on a liquid. The shape of this needle is a triangle with the tip pointing into the inlet hose, the lower diameter of the needle is larger so that when the needle is pushed upwards, the gasoline line will be closed.Īnd consequently the gas from the inlet hose does not flow. ![]() Needle valve located inside the float chamber, it can also be referred to as a gasoline valve, since the function is open and close the inlet hose. Through this channel, the gasoline from inside the tank goes into the carburetor area. This hose will deliver gasoline from the fuel lines into the float chamber.
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