Cylinder Works Standard Bore High Compression Cylinder Kit Cylinder-piston kitRef : CYW00071A / 1117543

The Cylinder Works Standard Bore High Compression Cylinder Kit (Manufacturer Part No: CW20014K01HC) combines an aluminum cylinder and a Vertex piston to provide a reliable solution for engine rebuilding or cross-oriented performance preparation. Designed to maintain a standard bore geometry while increasing the compression ratio, this kit targets riders looking for a sharper engine response without altering the architecture of the engine block.

• Contents: Vertex piston, Cylinder Works cylinder, Cylinder Works top-end gaskets.
• Features: bore Ø 97 mm, high compression piston, aluminum material.
• Usage: suitable for competition preparation or high-end rebuilding in off-road environments.
• Highlights: precise cylinder manufacturing, compatibility with original top-end parts, easy installation during a complete replacement.
• Compatibility (examples): FANTIC XEF 450 (2024), YAMAHA WR 450 F (2023), YAMAHA YZ 450 F (2022).

This kit is aimed at demanding riders and mechanics who want to maintain the reliability of a well-executed assembly while achieving a more compact power curve at high RPM. Supplied with the necessary gaskets, the components are ready for installation during an overhaul or engine preparation for off-road use.