Stihl FS55 Cylinder and Piston Kit: 4140 020 1204, 4140 020 1202

Stihl FS55 Cylinder and Piston Kit

Replaces: 41400201202, 4140 020 1202, 4140-020-1202, 4140 020 1204, 4140-020-1204, 41400201204

 Fits Models: Stihl HS45, FS55

Bore = 34mm

Replacement 34 mm cylinder and piston kit for the Stihl FS55 brushcutter, designed to replace a worn, scored or damaged cylinder and piston assembly. Ideal for restoring engine compression and helping return the machine to reliable running performance.

This kit is associated with Stihl part numbers 4140 020 1204 and 4140 020 1202 and is suitable for selected FS55 variants using the corresponding 34 mm cylinder configuration.

Specifications

• Type: Cylinder & Piston Kit
• Cylinder Bore: 34 mm
• Part Numbers: 4140 020 1204 / 4140 020 1202
• Alternative Part Numbers: 41400201204 / 41400201202
• Application: 2-stroke petrol engine
• Machine: Stihl FS55 brushcutter
• Replacement Use: Suitable for replacing a worn or damaged cylinder and piston assembly

Fits Stihl FS55 Models

• FS55
• FS55 C
• FS55 R
• FS55 RC
• FS55 T

The kit may also be used on other Stihl machines that use the same 4140-series 34 mm cylinder and piston configuration. Always check your machine’s model, serial number and original part number before ordering to ensure compatibility.

Why Replace the Cylinder & Piston?

A worn or damaged cylinder and piston can result in poor compression, difficult starting, reduced power and excessive engine wear. Replacing the top-end components can provide a practical repair solution where the existing cylinder or piston is damaged.