Futian 150 plunger carburetor for motor tricycle?

Futian 150 tricycle adopts plunger carburetor. Plunger throttle carburetor, usually referred to as plunger carburetor for short. Its plunger moves up and down as a throttle valve to control the cross section in the carburetor and the steam intake of the engine. There is a main oil needle on the plunger, which moves synchronously with the plunger to control the cross section of the outlet of the main oil foam pipe under the plunger and actually control the oil output of the main oil. The shape and height of the main oil needle are very particular, which determines the output characteristics of the carburetor.