Yamaha YZ-F 450 2006-2009 98mm 478cc Big Bore Kit

Cylinder Works 98mm 478cc Big Bore Kit

Transform your engine performance with the Cylinder Works Big Bore Kit. This comprehensive package is engineered to deliver a significant increase in displacement, effectively taking your engine from stock performance to monster power. Designed for reliability and high-end output, this kit provides everything necessary for a complete top-end upgrade in one convenient box.

The kit features a precision-honed big bore cylinder that retains a stock appearance while offering superior durability. Each cylinder is finished with a Nickel Silicon Carbide coating to ensure optimal heat dissipation, reduced friction, and an extended service life under demanding riding conditions.

Key Features

• Increased Displacement: Boosts your engine to 478cc with a 98mm bore for enhanced torque and horsepower.
• Complete Assembly: Includes the big bore cylinder, a premium Vertex piston, rings, pin, and circlips.
• Full Gasket Set: Comes with all necessary gaskets required for a professional installation.
• Precision Engineering: The cylinder is precision-honed to exacting tolerances for a perfect fit and reliable performance.
• Nickel Silicon Carbide Plating: Enhances wear resistance and improves thermal management for long-lasting durability.
• Stock Appearance: Designed to maintain the factory look of your machine while providing substantial internal performance gains.

Whether you are looking to revitalize a tired engine or simply seeking a significant power advantage on the track or trail, this Cylinder Works kit delivers professional-grade components that meet the needs of serious riders and racers alike.