Description
Overview:
This flywheel is a genuine Stihl part for the MS 201 series chainsaws, designed to stabilise engine speed, drive cooling airflow and trigger the ignition system. Built from durable metal with a finned rotor, it helps the engine start reliably, idle smoothly and deliver steady power under load. The unit is engineered to match the crankshaft taper and clearances used on the MS 201 and MS 201 C, ensuring correct alignment with the ignition module. As a Genuine Part (OEM No. 1145 400 1201), it offers the correct weight, balance and fit specified by Stihl, making it a dependable replacement when the original flywheel is worn, cracked or damaged.
Key Features:
- Genuine Stihl replacement for assured compatibility and reliability (OEM No. 1145 400 1201)
- Precisely balanced rotor helps reduce vibration and maintain smooth engine running
- Finned design promotes effective cooling airflow across the cylinder and ignition module
- Integrated magnets provide consistent ignition timing for easier starting and stable idle
- Durable metal construction for long service life in professional and domestic use
- Direct-fit design for the MS 201 range; no modifications required when installed correctly
- Restores performance if the original flywheel is cracked, corroded or magnetically weak
- Supports reliable cutting in demanding conditions by maintaining engine momentum
- Suitable for routine maintenance or repair after impact or overheating events
- Can be fitted with standard workshop tools following the Stihl service procedure
Typical Applications:
Used to replace a damaged or worn flywheel on Stihl MS 201 series chainsaws, restoring reliable starting, smooth idling and consistent throttle response. Common in forestry, arborist work, landscaping, grounds maintenance and farm or estate tasks where dependable engine performance is essential.
Also known as:
Ignition rotor, magnet rotor, magneto rotor, engine rotor, crankshaft rotor, rotor wheel for ignition, rotor assembly, engine momentum wheel.
Fits Models:
MS 201, MS 201 C, MS 201 T, MS 201 TC, MS201, MS201C, MS201T, MS201TC
Alternate Part Numbers:
1145-400-1201, 11454001201
Product Specifications
| L&S Part No. | 1145 400 1201 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11454001201 |
| Unit of Sale | 1 |
| Applications | MS 201, MS 201 C, MS 201 T, MS 201 TC, MS201, MS201C, MS201T, MS201TC |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS201, MS201C, MS201T, MS201TC |
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