Description
Overview:
This genuine Stihl Cylinder with Piston (40 mm bore) is an OEM replacement for the top end of Stihl two‐stroke chainsaw engines. Built from durable aluminium alloy with a precision‐machined bore, it restores correct compression and smooth running when the original cylinder has worn or scored. Supplied as a matched cylinder and piston assembly, it is engineered for reliable fit and performance on the Stihl MS 211 and MS 211 C. Ideal for routine overhauls or repairs, it helps return cutting power, fuel efficiency, and dependable starting, so your saw works as intended in demanding everyday use. Stihl part reference: 1139 020 1205.
Key Features:
- Genuine Stihl OEM part for assured compatibility and performance
- 40 mm cylinder and matched piston help restore factory compression and power
- Aluminium alloy construction for strength, heat dissipation, and long service life
- Precision tolerances for smooth operation and reduced vibration
- Direct-fit replacement; no modifications required to the saw body
- Helps resolve low power, hard starting, and excessive fuel consumption due to wear
- Suitable for professional and domestic maintenance of MS 211 and MS 211 C
- Designed for reliable sealing when assembled with quality gaskets and two‐stroke oil
Typical Applications:
Used during engine rebuilds to replace worn or scored top-end components on Stihl MS 211 series saws. Common when a saw has suffered a seizure, dust ingress, or general wear causing low compression, poor cutting performance, or difficult starting. Suitable for preventative maintenance to keep fleet and domestic saws operating efficiently.
Also known as:
Cylinder kit, top-end kit, barrel and piston, pot and piston, cylinder assembly, piston and cylinder set, top-end assembly for chainsaw engines.
Fits Models:
MS 211
MS 211 C
MS211
MS211C
Alternate Part Numbers:
1139-020-1205, 11390201205
Product Specifications
| L&S Part No. | 1139 020 1205 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11390201205 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM part ensures compatibility with MS 211 and MS 211 C - 40 mm bore cylinder and piston restore factory compression - Aluminium alloy construction for durability and heat dissipation - Precision-machined for smooth operation and reduced vibration - Direct-fit replacement requires no modifications to the saw body |
| Fits Models | MS211, MS211C |
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