CYLINDER WORKS Cylinder Kit - Ø77mm Yamaha (Manufacturer Part No: CW20013)

Designed for cross pistons and engines, this Cylinder Works cylinder kit in Ø77mm offers a reliable and clean replacement solution for a damaged cylinder. Aimed at demanding riders, it focuses on carefully chosen materials and high-quality machining finish to restore smooth engine performance.

The cylinder is delivered bare, ready to receive the appropriate piston, rings, and gaskets. Its surface treatment minimizes wear and enhances thermal stability during off-road use, while the geometry adheres to OEM type for a direct replacement of the original component.

• Compression: standard
• Ø: 77 mm
• Surface treatment improving thermal resistance
• Type: OEM, direct replacement fit
• Delivered bare — piston, rings, and gaskets required for installation

Suitable for the Cross world, this cylinder is particularly compatible with recent 250 cm3 models. Check compatibility with your machine before ordering: YAMAHA YZ 250 F (2026), FANTIC XXF 250 (2024), and YAMAHA YZ 250 FX (2024) are among the common applications. A pragmatic choice to get your engine back on track and hit the trails with confidence.