Since the 1990s, carburetors have been largely replaced by fuel injection for cars and trucks, but carburetors are still used by some small engines (e.g. lawnmowers, generators, and concrete mixers) and motorcycles. In addition, they are still widely used on piston-engine–driven aircraft.
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A carburetor’s primary function is to mix air and fuel in the right proportion for combustion within an engine. It also provides a means to regulate the speed and mixture of the fuel entering the engine, influencing performance and efficiency.
The carburetor, also called carburetor, is a device that operates by the gasoline internal combustion engine for regulation and mixing air and fuel to provide to the engine.
Carburetor, device for supplying a spark-ignition engine with a mixture of fuel and air. Components of carburetors usually include a storage chamber for liquid fuel, a choke, an idling (or slow-running) jet, a main jet, a venturi-shaped air-flow restriction, and an accelerator pump.
Carburetors are used to mix fuel and air together before sending the mix into the engine cylinders for ignition, powering the vehicle. The carburetor sits atop the engine block beneath the air filter, and operates using a combination of vacuum power and cable control.