Honda CRF 250R 2004-2009 CRF 250X 2004 - 2017 81mm 270cc Big Bore Kit

Upgrade Your Engine Performance with the Cylinder Works Big Bore Kit

Take your motorcycle performance to the next level with the Cylinder Works 270cc Big Bore Kit. Designed for riders looking to transform their engine output, this comprehensive kit provides a reliable way to increase displacement and power without the need for sourcing individual components. Whether you are looking for more torque or increased top-end speed, this kit delivers a professional-grade solution in one convenient package.

At the heart of the system is a precision-honed, big bore cylinder featuring a durable nickel silicon carbide coating. This construction ensures long-lasting reliability and consistent performance even under demanding riding conditions. The cylinder is designed to maintain a stock appearance while providing significant gains in engine capacity.

Key Features

• Increased Displacement: Boosts your engine to 270cc for improved power delivery across the entire rev range.
• Precision Engineering: High-quality cylinder features a nickel silicon carbide plated bore for superior wear resistance and heat dissipation.
• Complete Kit: Includes everything required for a successful installation, including a Vertex big bore piston kit (rings, pin, and circlips) and a complete gasket set.
• Reliable Performance: Engineered for durability and optimized for high-performance use, ensuring your engine runs smoothly and reliably.
• All-in-One Solution: Eliminates the hassle of ordering multiple parts, providing a unified upgrade kit ready for your engine rebuild.

This big bore kit is the ideal choice for enthusiasts and racers seeking a noticeable increase in performance. By combining high-quality components from Cylinder Works and Vertex, this kit ensures that every internal part is perfectly matched for maximum power and engine longevity.