# Cylinder head

> The cylinder head closes the top of the combustion chamber and carries the valves, camshaft and spark plug.

- **Also known as:** Silindir üst kapağı, Kafa, Head
- **Turkish term:** Silindir kapağı
- **Category:** [Cylinder Heads](https://motorsikletparcasi.com/en/category/cylinder-heads)
- **Page:** https://motorsikletparcasi.com/en/glossary/cylinder-head

The head contains the intake and exhaust ports, the [valves](https://motorsikletparcasi.com/en/glossary/valve) and springs, the [camshaft](https://motorsikletparcasi.com/en/glossary/camshaft) and rocker arms. The head gasket sits between the head and the cylinder.

- Overheating can warp the head face; it is corrected by skimming.
- With low compression, check the valve seats and lap the valves if needed.
- Tighten the head bolts in the sequence and to the torque in the manual, with the engine cold.

## Related terms

- [Valve](https://motorsikletparcasi.com/en/glossary/valve): A valve is the mushroom-shaped part in the cylinder head that opens and closes the intake and exhaust ports.
- [Camshaft](https://motorsikletparcasi.com/en/glossary/camshaft): The camshaft uses its cam lobes to open and close the valves at the right time.
- [Gasket](https://motorsikletparcasi.com/en/glossary/gasket): A gasket is a thin seal between two fixed surfaces that stops oil, coolant, fuel or gas from leaking out of the joint.
- [Valve clearance](https://motorsikletparcasi.com/en/glossary/valve-clearance): Valve clearance adjustment sets the gap between the valve stem and the part that opens it (rocker or bucket) to the value in the manual.

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- Source page: https://motorsikletparcasi.com/en/glossary/cylinder-head
- Last updated: 2026-10-09
- Türkçe sürüm: https://motorsikletparcasi.com/sozluk/silindir-kapagi.md
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