Motorcycle throttle

Throttle, commonly known as throttle valve, is a device in carburetor to control the amount of mixture entering the engine cylinder. The greater the opening, the more mixed gas (atomized gasoline) enters the cylinder and the higher the engine speed.

The intake valve is a switch that allows the mixture to enter the combustion channel of the cylinder from the throttle valve and determines when to let the mixture enter the cylinder.

The exhaust valve is a channel switch to exhaust the exhaust gas in the burned mixture in the cylinder, and its main function is to exhaust the exhaust gas in the cylinder at an appropriate time.