# Stator

> The stator is the set of fixed coil windings inside the flywheel that generate alternating current together with the flywheel magnets.

- **Also known as:** Sargı, Şarj bobini, Alternatör, Statör
- **Turkish term:** Statör (sargı)
- **Category:** [Stators & Coils](https://motorsikletparcasi.com/en/category/stators-and-coils)
- **Page:** https://motorsikletparcasi.com/en/glossary/stator

As the flywheel spins, its magnets induce current in the stator windings. That current charges the battery through the [regulator rectifier](https://motorsikletparcasi.com/en/glossary/regulator-rectifier) and, on some models, also powers the ignition (AC [CDI](https://motorsikletparcasi.com/en/glossary/cdi)) and lights.

## Symptoms of a problem

- The battery does not charge
- Darkened windings, a burnt smell, flaking varnish
- A weaker spark on AC-CDI models

A stator is tested by measuring the resistance between its leads and its AC output with the engine running. A flywheel puller is needed to replace it.

## Related terms

- [Flywheel magneto](https://motorsikletparcasi.com/en/glossary/flywheel-magneto): The flywheel is the heavy rotating disc on the crankshaft that carries magnets; with the stator it generates electricity and smooths engine rotation.
- [Regulator rectifier](https://motorsikletparcasi.com/en/glossary/regulator-rectifier): A regulator rectifier converts the stator's AC output to DC and limits the charging voltage to protect the battery and electrics.
- [CDI (capacitor discharge ignition)](https://motorsikletparcasi.com/en/glossary/cdi): A CDI (capacitor discharge ignition) unit stores energy in a capacitor and dumps it into the ignition coil to create the spark at the spark plug.
- [Battery](https://motorsikletparcasi.com/en/glossary/battery): A motorcycle battery is the 12-volt lead-acid or lithium battery that turns the starter motor and powers the electrics when the engine is off.

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