Description
Overview:
This Cylinder & Piston 52mm set is a non-genuine replacement top-end assembly for two-stroke chainsaws, sized for a 52 mm bore (2.05 inches). It is intended to restore compression, power and starting performance on heavy-duty saws such as the Stihl 046 and MS460. The cylinder is an aluminium alloy casting with a NikasilTM (nickel-silicon carbide) plated bore for high wear resistance and efficient heat transfer. Supplied with a matching 52 mm piston, the kit is designed to replace a worn or scored original cylinder and piston, helping extend machine life without replacing the whole engine. Built for demanding cutting work, it supports reliable operation when serviced and tuned correctly after installation. Genuine status: Non Genuine Part.
Key Features:
- 52 mm (2.05 inches) bore to match the original top-end sizing for correct fit and compression
- NikasilTM lined cylinder for excellent wear resistance, low friction and good heat dissipation
- Aluminium alloy construction with cooling fins to manage operating temperatures under load
- Precision-machined surfaces and ports for consistent sealing and combustion efficiency
- Direct replacement design to simplify rebuilds and reduce downtime
- Helps recover lost power and throttle response on tired or scored engines
- Suitable for professional and domestic cutting tasks when paired with correct fuel mix and tuning
- Cost-effective alternative to OEM while maintaining dependable performance
- Non Genuine Part clearly identified for easy purchasing decisions
- Compatible with standard servicing practices; run-in and carburettor retune recommended after fitment
Typical Applications:
Used during top-end rebuilds of 52 mm bore chainsaws to address low compression, hard starting, poor idle or reduced cutting power. Suitable for forestry, firewood processing, storm clearance, landscaping and site work where reliable, sustained sawing performance is required.
Also known as:
Cylinder kit, piston kit, top-end kit, top-end rebuild kit, barrel and piston, jug and piston, pot and piston, replacement top end for 52 mm bore chainsaws.
Fits Models:
046, MS 460, MS460
Alternate Part Numbers:
1128 020 1221, 11280201221
Product Specifications
| L&S Part No. | 725 021 |
|---|---|
| Part Type | Non Genuine Part |
| Unit of Sale | 1 |
| Applications | 046, MS 460, MS460 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS460 |
Reviews
Ask a Question
Compatibility
Customers also bought
Related Products
-
![]()
Exhaust Gasket for Stihl TS400 - 1125 149 0601£3.12 £2.60
