Cylinder Works CW30017K02 Standard Bore Cylinder Kit for Kawasaki KX250F and KX250X

The Cylinder Works CW30017K02 Standard Bore Cylinder Kit is designed for select Kawasaki KX250F and KX250X models. This complete kit includes a standard-bore cylinder, matched piston kit, and top-end gaskets for a reliable engine rebuild or replacement. The piston is engineered with a 14.1:1 compression ratio to support strong performance while maintaining dependable operation for motocross and off-road applications.

Manufactured by Cylinder Works, the cylinder features a stock-style appearance and nickel silicon carbide plating for improved durability, wear resistance, and extended service life. The matched Vertex piston helps promote longevity, consistent performance, and reduced engine noise. With the supplied components selected to work together, this kit provides a practical solution for refreshing the top end without sourcing individual parts separately.

Fitment includes the 2023 and 2024 Kawasaki KX250F and KX250X. The kit is intended for standard-bore applications and requires no machine work when used with the appropriate factory-standard engine configuration. The included top-end gasket kit does not include valve stem seals. Cylinder Works also offers replacement pistons, gaskets, and ring sets for future maintenance and service needs. Verify model year and engine specifications before installation to confirm compatibility.

Features:

• Complete standard-bore cylinder kit for compatible Kawasaki applications
• Includes cylinder, matched Vertex piston kit, and gaskets
• 14.1:1 compression ratio for enhanced engine performance
• Nickel silicon carbide-plated cylinder for extended service life
• Stock-style cylinder appearance
• Matched piston design helps support longevity, performance, and reduced engine noise
• No machine work required for applicable standard-bore installations
• Top-end gasket kit does not include valve stem seals
• Fits 2023-2024 Kawasaki KX250F and KX250X models
• Replacement pistons, gaskets, and ring sets are available