What does the number on the carburetor throttle mean?

The numbers on the carburetor throttle indicate the opening of the seal and the fuel injection quantity.

Generally speaking, the carburetor throttle is marked with the maximum fuel injection and the maximum throttle opening. This is determined according to the stepping intensity of the accelerator.

Carburetor is the name for the throat parts of engine fuel supply system before the appearance of electronic throttle. With the appearance of electronic throttle, carburetor was gradually eliminated. Electronic throttle can control the fuel injection of engine more accurately, which can effectively save energy and reduce fuel consumption.