The throttle body is part of the internal combustion engine fuel system: it is designed to regulate the air flow into the combustion chamber.
The throttle body usually consists of a cylindrical or oval part that connecting the thermal unit (combustion chamber, cylinder head, piston and cylinder) with the outside. In this pipe there is the butterfly valve which regulates the flow of air: its working depends on the accelerator of the vehicle – the acceleration makes the valve open more thus allowing a greater flow of air. This is brought to the engine by depression, by the piston, by the carter in the four / two-stroke engines or by the turbocharger in the supercharged engines. Some throttle bodies are also equipped with an additional pipe which, going past the primary valve, acts as a pipe for idle speed and is regulated by an electric motor (so called “idle motor”): this regulates the flow of petrol, keeping the engine steady at low speeds.
SAITO currently offers only one throttle body but the range is constantly increasing.
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Crossreference: OEM, applicazioni
||THROTTLE BODY P/N
||03 C133 062 T