# Throttle body

> The throttle body controls how much air enters a fuel-injected engine using a butterfly valve linked to the twist grip.

- **Also known as:** Gaz kelebeği gövdesi, Throttle body, Boğaz
- **Turkish term:** Gaz kelebeği
- **Category:** [Injectors & Throttle Bodies](https://motorsikletparcasi.com/en/category/injectors-and-throttle-bodies)
- **Page:** https://motorsikletparcasi.com/en/glossary/throttle-body

The throttle body usually carries the **throttle position sensor (TPS)**, the injector and an idle air control valve (ISC/IACV). The twist grip opens the butterfly via a [throttle cable](https://motorsikletparcasi.com/en/glossary/throttle-cable) or electronic ride-by-wire.

- Carbon build-up around the butterfly can make the [idle](https://motorsikletparcasi.com/en/glossary/idle-speed) hunt or drop; clean it with a suitable cleaner.
- A faulty TPS can cause misfiring and a warning light.
- On some models an idle relearn (reset) is needed after cleaning or disconnecting the battery.

## Related terms

- [Fuel injector](https://motorsikletparcasi.com/en/glossary/fuel-injector): A fuel injector is the solenoid valve in fuel-injected engines that sprays pressurised fuel into the intake on command from the engine control unit (ECU).
- [Throttle cable](https://motorsikletparcasi.com/en/glossary/throttle-cable): A throttle cable transmits the twist grip's movement to the carburettor slide or throttle butterfly.
- [Idle speed](https://motorsikletparcasi.com/en/glossary/idle-speed): Idle speed is the lowest engine speed at which the engine keeps running with the throttle closed.

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- Source page: https://motorsikletparcasi.com/en/glossary/throttle-body
- Last updated: 2026-10-09
- Türkçe sürüm: https://motorsikletparcasi.com/sozluk/gaz-kelebegi.md
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