Product Description
The 1142 020 1202 Cylinder with Piston (Ø 52 mm) is a genuine STIHL replacement top-end assembly designed to restore full compression, power, and efficiency to your chainsaw’s engine. Manufactured from precision-cast aluminum with a hardened piston and rings, this assembly delivers OEM-grade performance and long-term durability—keeping your saw running like new.
Key Features
✅ Part Number: 1142 020 1202
✅ Component Type: Cylinder & Piston Assembly
✅ Bore Size: Ø 52 mm
✅ Includes: Cylinder, piston, piston rings, wrist pin, and circlips
✅ Material: Heat-treated aluminum alloy with precision-machined finish
✅ Quality: Genuine STIHL OEM component for superior fit and performance
Benefits
✔️ Restores Compression & Power – Rebuilds worn engines to deliver original cutting performance.
✔️ OEM Fit & Finish – Ensures seamless installation and compatibility with factory components.
✔️ Durable Construction – Engineered for heat resistance and optimal cooling.
✔️ Improved Efficiency – Maintains correct combustion pressure for smooth throttle response.
✔️ Complete Kit – Includes all necessary top-end components for straightforward replacement.
Compatible With
Commonly suits STIHL MS 261, MS 271, MS 291, and other chainsaws using a 52 mm bore cylinder assembly.
(Always confirm compatibility using your model’s serial number or OEM parts manual.)
Installation Tips
1️⃣ Ensure the engine is clean and free of debris before disassembly.
2️⃣ Remove the old cylinder, piston, and gasket material.
3️⃣ Lubricate piston and rings with clean 2-stroke oil before installation.
4️⃣ Fit the new piston to the connecting rod using the supplied pin and clips.
5️⃣ Slide the new cylinder carefully over the piston, aligning ports and gaskets.
6️⃣ Reassemble the saw, start, and test for proper compression and smooth operation.
