Description
Overview:
This Cylinder & Piston 42 mm assembly is a replacement top-end set for Stihl 024 and MS240 chainsaws. It restores compression and cutting performance when the original parts are worn or damaged. The cylinder features a hard Nikasil plated bore for long service life and stable running. The 42 mm diameter (1.65 inches) matches the original specification for a precise fit and correct combustion chamber volume. Designed for petrol two‐stroke engines, it helps maintain reliable starting, smooth idling, and power under load. Suitable for professional users and DIY owners who need dependable performance in forestry, landscaping, and general property maintenance tasks.
Key Features:
- 42 mm bore size (1.65 inches) for correct fit and compression
- Nikasil plated cylinder for superior wear resistance and heat transfer
- Direct replacement for the original Stihl top-end on 024/MS240
- Helps recover lost power, throttle response, and fuel efficiency
- Durable construction aimed at extended service intervals
- Clean casting and port finish to support consistent performance
- Compatible with standard two‐stroke set‐up and tuning practices
- Suitable for routine rebuilds or full engine refresh after scoring or seizure
Typical Applications:
Used to refurbish the top-end of Stihl 024 and MS240 chainsaws after loss of compression, cylinder scoring, ring wear, or poor starting. Ideal for restoring machines used in felling, logging, firewood processing, storm clean‐up, and general grounds maintenance where reliable cutting performance is required.
Also known as:
Cylinder barrel and piston, top‐end rebuild kit, barrel & piston kit, piston and cylinder jug, engine top‐end set, chainsaw cylinder kit, 42 mm barrel assembly.
Fits Models:
024, MS240
Alternate Part Numbers:
1121 020 1200, 1121 020 1202, 11210201202, 11210201200
Product Specifications
| L&S Part No. | 725 027 |
|---|---|
| Unit of Sale | 1 |
| Size | 42mm |
| Applications | 024, MS240 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS240 |
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