







CYLINDER WORKS Big Bore Cylinder Kit designed for the SUZUKI RM‑Z 250: a piston-cylinder set tailored for motocross preparation and high-end rebuilds. The kit combines a Cylinder Works aluminum cylinder and a Vertex piston, featuring a high compression configuration to optimize combustion in the chamber. Manufacturer reference: CW41005K01.
This kit meets the needs of riders looking for a reliable solution to increase bore size and rebuild an engine for competitive preparation or thorough maintenance. The Vertex piston and the provided gaskets ensure careful compatibility between piston and cylinder, while facilitating installation and break-in. Ideal for improving engine response and exploiting the high RPM range on the motocross track, while maintaining a robust base for intensive use.
Compatible with SUZUKI RM‑Z 250 (models 2024 to 2026). Installation is recommended by a qualified technician to respect bore tolerances, ring gaps, and the break-in procedure.