Description
Overview:
This genuine Stihl flywheel is a direct replacement for OEM No. 1123 400 1207, built for Stihl petrol chainsaws including the MS 250 and MS 250 C. Manufactured from durable cast metal with integral cooling fins, it stores rotational energy to smooth engine speed and improve throttle response. The flywheel also helps drive cooling airflow around the cylinder and contains the magnets needed for accurate ignition timing. Fitted to the crankshaft, it is essential for steady idling, clean acceleration, and consistent cutting performance. Ideal for restoring reliability when the original part is worn or damaged, this flywheel supports long service life in both professional and domestic use, from regular firewood cutting to site maintenance.
Key Features:
- Genuine Stihl part for assured fit and performance (OEM No. 1123 400 1207)
- Precision balanced to reduce vibration and protect engine bearings
- Robust cast-metal construction with long-lasting, wear-resistant fins
- Integrated fan fins promote effective cylinder and clutch cooling
- Embedded magnets provide a stable trigger for the ignition system
- Helps maintain steady idle and smooth pick-up under load
- Direct-fit replacement on listed models; no modification required
- Supports overall engine efficiency, starting consistency, and cutting accuracy
- Suitable for demanding, daily use in forestry, landscaping, and property care
- Straightforward to install with standard workshop tools, minimising downtime
Typical Applications:
Used to replace a damaged, cracked, or imbalanced flywheel to restore smooth running on Stihl chainsaws. Suitable for routine maintenance, after impact or overheating, and when experiencing poor idle, weak acceleration, or irregular ignition timing. Common in firewood processing, storm clearance, pruning, and general grounds and site work.
Also known as:
Magneto flywheel, ignition flywheel, ignition rotor, fan flywheel, fan wheel, crankshaft wheel, engine balance wheel. These terms refer to the same component that stores rotational energy, drives cooling air, and provides the magnetic trigger for the ignition system.
Fits Models:
MS 210, MS 210 C, MS 230, MS 230 C, MS 250, MS 250 C
Alternate Part Numbers:
1123-400-1207, 11234001207
Product Specifications
| L&S Part No. | 1123 400 1207 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11234001207 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part, OEM No. 1123 400 1207 - Fits Stihl chainsaws: MS 210, MS 230, MS 250 - Cast metal with cooling fins for durability - Embedded magnets ensure accurate ignition timing - Precision balanced to reduce engine vibration |
| Fits Models | MS230, MS230C | MS250, MS250C |
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