Athena 18-19 Yamaha YZ450F 102mm Bore 497cc Cylinder

This Athena cylinder kit is built for the 2018 and 2019 Yamaha YZ450F. It increases the bore to 102mm, bringing the total displacement to 497cc. A well-built cylinder is fundamental for a healthy engine, and Athena pays close attention to the details that matter for performance and reliability.

Athena uses advanced manufacturing techniques to create these cylinders. They can be produced using different technologies, including metal/elastomer combinations or multilayer designs with their own steel and coating materials. This meticulous approach ensures that the cylinder meets the demands of the market and provides a solid foundation for your engine's performance. Choosing a well-built gasket is the first step towards a reliable engine, and this kit is designed with that in mind.

This kit is designed as a direct replacement for your stock cylinder, making installation straightforward for those familiar with engine work. Ensure all related engine components are in good condition before installation to maximize the benefits of this upgrade.