Check carburetor automatic choke para tipid sa gasolina

An automatic choke closes against spring pressure. During engine crank, it then exposes almost full
manifold vacuum to the carburetor venturi, drawing a large amount of fuel through the main metering system. ... The choke plate and fast-idle cam are attached to the spring via the carburetor's throttle linkage.

The automatic choke is the main component that regulates the air/fuel mixture while the engine is being cranked. As the engine warms up, the automatic choke adjusts to the temperature change to regulate the fuel/air mixture to the proper ratio.

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