# Engine displacement (cc)

> Engine displacement is the total volume swept by the pistons from bottom to top dead centre, expressed in cubic centimetres (cc).

- **Also known as:** Silindir hacmi, cc, Motor gücü, Displacement
- **Turkish term:** Motor hacmi (cc)
- **Page:** https://motorsikletparcasi.com/en/glossary/engine-displacement

Calculation: **displacement = π ÷ 4 × bore² × stroke × number of cylinders**. For example, a single-cylinder engine with a 52.4 mm bore and 57.9 mm stroke displaces π ÷ 4 × 5.24² × 5.79 ≈ 124.9 cc.

- Displacement alone does not determine power; engine design, rpm and the [torque](https://motorsikletparcasi.com/en/glossary/torque) curve also matter.
- Do not mix up different engines of the same capacity when matching parts; go by model and year.
- Licence categories and taxes are based on capacity and power.

## Related terms

- [Piston](https://motorsikletparcasi.com/en/glossary/piston): The piston moves up and down in the cylinder and transfers combustion pressure to the crankshaft through the connecting rod.
- [Cylinder](https://motorsikletparcasi.com/en/glossary/cylinder): The cylinder is the part of the engine in which the piston moves and combustion takes place.
- [Torque](https://motorsikletparcasi.com/en/glossary/torque): Torque is the turning force the engine produces at the crankshaft, measured in newton-metres (Nm).

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- Source page: https://motorsikletparcasi.com/en/glossary/engine-displacement
- Last updated: 2026-10-09
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