A simple carburetor consists of three parts: upper, middle, and lower. The upper part has an intake port and a float chamber, the middle part has a throat, measuring hole, and nozzle, and the lower part has a throttle valve, etc.

The float chamber is a rectangular container that stores gasoline from the gasoline pump. Inside the container, there is a float that controls the fuel intake using the height of the float surface (oil level). The nozzle in the middle has one inlet connected to the measuring hole in the float chamber, and the other outlet located at the throat of the throat.

Heilongjiang Garden Maintenance ProductsManufacturer introduces the working principle of carburetor

The carburetor is actually a pipe with an adjustable plate called the throttle plate in the middle, used to control the air flow through the pipe. There is a constriction in the tube called a Venturi tube, where a vacuum is formed. This contracted part has a measuring hole, through which fuel can be sucked in using vacuum