HONDA GX25 UMK425 Cylinder / Top Crankcase & Piston Kit

Complete 35mm cylinder and piston kit fits Honda GX25 and UMK425 engines, commonly used in strimmers and brushcutters, designed to fully restore proper engine compression, reliable power output and optimal internal geometry. This comprehensive kit includes a precision‑matched cylinder sleeve, piston, piston rings, wrist pin, circlips and all necessary gaskets, ensuring smooth piston movement, consistent combustion and stable engine performance. A practical replacement for worn or damaged engine components on compatible petrol garden power tools, helping maintain stable operation and extend engine life.

Fits specified Honda engines:

• Honda GX25
• Honda UMK425