40 mm cylinder-piston kit for FS240 and FS240R brushcutters (4147-020-1206, 4147-007-1602, 4147-029-2003, 4147-030-2003)

1. Specific Fit

This 40mm piston-cylinder assembly kit is designed to replace parts on FS240 and FS240R brushcutters. With part numbers 4147-020-1206, 4147-007-1602, 4147-029-2003, and 4147-030-2003, it fits perfectly with the engine system of these models. Whether for garden maintenance or vegetation management, it restores the performance of your brushcutter.

2. High-Quality Composition

(1) Cylinder

Made from heat- and wear-resistant material, the cylinder undergoes precision machining.

Its well-designed cooling fins efficiently dissipate the heat generated during operation, preventing overheating and significantly extending its service life. The robust structure ensures high stability during intensive work. (2) Piston: Made of high-quality alloy, the piston offers excellent rigidity and wear resistance. Its optimized design fits closely to the cylinder, minimizing gas leaks and thus improving the engine's energy efficiency. During operation, it efficiently converts thermal energy into mechanical force, ensuring stable power for your brushcutter. (3) Seals and Piston Rings: The seals (black felt pieces) play a crucial role in sealing. They effectively prevent gas and oil leaks, ensuring proper engine operation. The piston rings (black rings) provide an additional seal between the piston and cylinder, while also helping to scrape excess oil off the cylinder walls, keeping the engine system clean. (4) Small Accessories (Retaining Rings) These small accessories are essential for holding the piston rings and other components in place. Made of durable metal, they ensure a secure fit and prevent parts from shifting during operation, contributing to the overall reliability of the kit. 3. Ease of Installation Designed to original equipment standards, this piston and cylinder assembly is easy to install. With standard tools, you can perform the replacement or repair without requiring advanced technical skills. After installation, your brushcutter's engine will quickly regain its optimal performance, offering increased power and improved stability for your brush clearing work.