A throttle body is an important component in the fuel injection system of a motorcycle. It controls the amount of air that flows into the engine, which in turn determines the amount of fuel that is injected. The throttle body is usually located between the air intake system and the intake manifold.
In motorcycles with fuel injection, the throttle body contains a butterfly valve that opens and closes to regulate the airflow. When the rider twists the throttle grip, it is connected to the throttle body through a cable or electronic sensors. As the rider opens the throttle, the butterfly valve inside the throttle body opens, allowing more air to enter the engine. This increase in airflow triggers the fuel injection system to inject an appropriate amount of fuel into the engine for combustion.
The throttle body also incorporates various sensors such as the throttle position sensor, which detects the position of the throttle valve, and the intake air temperature sensor, which measures the temperature of the incoming air. These sensors provide crucial information to the motorcycle's engine control unit (ECU), allowing it to adjust the fuel-air mixture and optimize engine performance.
Overall, the throttle body plays a key role in regulating the air and fuel mixture in a motorcycle's engine, contributing to efficient combustion and power delivery.