Yamaha YFZ 450R Quad 2009-2017 98mm 478cc Big Bore Kit

Unlock Superior Performance with the Cylinder Works Big Bore Kit

Transform your vehicle from modest to monster with the Cylinder Works Big Bore Kit. Designed for riders seeking a significant increase in power and displacement, this all-in-one performance upgrade provides the precision engineering required to elevate your engine's capabilities. Whether you are looking to dominate on the track or enhance your off-road experience, this kit delivers the reliability and strength needed for high-performance riding.

Precision Engineering and Durability

At the heart of this kit is a high-quality big bore cylinder, precision honed for optimal performance. The cylinder features a durable Nickel Silicon Carbide coating, providing a stock-appearing finish that offers superior heat dissipation and reduced friction for a longer engine life. By increasing your displacement to 478cc with a 98mm bore, this kit ensures your engine operates at peak efficiency.

Everything You Need for a Complete Upgrade

Cylinder Works simplifies the engine modification process by packaging every essential component into one convenient box. You no longer need to source individual parts to complete your top-end rebuild. Each kit includes high-quality components designed to work in perfect harmony with your machine.

• Premium Big Bore Cylinder: Precision honed with a Nickel Silicon Carbide plating for maximum durability and thermal stability.
• Vertex Big Bore Piston: Includes a complete piston kit featuring rings, wrist pin, and circlips for a precise seal and smooth operation.
• Comprehensive Gasket Set: All necessary gaskets are included to ensure a secure, leak-free installation.
• Performance Focused: Engineered specifically to increase displacement and overall horsepower output.

Upgrade your engine with confidence using a kit trusted by professionals and enthusiasts alike. With Cylinder Works, you get the performance gains you demand without the complexity of sourcing individual aftermarket components.