Cylinder Works Big Bore Cylinder Kit for 2006-2009 Yamaha YZ450F - Engine va

• TRUST IN A WORLD LEADER: Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders. Three kit options to choose from: Standard Bore, Standard Bore Hi-Compression and Big Bore.
• PASS THE TEST: Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise. Nickel Silicon Carbide plated for long life. Kits come complete with gaskets, cylinder, piston, rings, pin and clips. Big bore cylinders do not require machine work (unless noted)
• SHOP HIGH-QUALITY REPLACEMENT PARTS: Cylinder Works was launched in 2008 to offer the market affordable stock replacement parts. The company provides enthusiasts quick and affordable access to a complete line of original quality replacement products
• TRUST IN CYLINDER WORKS: Cylinder Works invests in the appropriate amount of research and development to ensure a quality finished product. All products are designed by a staff of professionals using state-of-the-art development tools along with highly documented design procedures developed throughout the history of the company

Big Bore Cylinder Kit (478cc) - 3.00mm Oversize to 98.00mm, 12.5:1 Compression

Year Range	Make	Model	Notes
2006	Yamaha	YZ450F
2007	Yamaha	YZ450F
2008	Yamaha	YZ450F
2009	Yamaha	YZ450F

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