Maximize your top-end horsepower with this Performance Camshaft Kit.
The GYTR® Ported Cylinder Head Assembly comes fully assembled and ready to install with no costly core charges, deposits or exchange programs that can add downtime.
The GYTR® High Compression Piston Kit provides a performance boost throughout the RPM range while maintaining a high level of durability. Machined valve pockets provide additional valve clearance when used with higher lift camshafts. The kit includes piston rings, piston pin, and clips (uses stock replacements). Requires use of minimum 100-octane racing fuel.
Note: For use on 2014-2015 YZ250F models, you must replace stock oil nozzle with newer component (1SM-15155-10-00) for proper function of GYTR High Compression Piston.
This accessory is restricted to closed-course competition use. See California Regulations regarding Emission-Related Parts and Accessories for products for closed-course competition use only.
Download 2019 YZ250F Power Tuner Settings (GYTR Performance Engine)
Update all Quantities
This Website is intended for U.S. residents only. See here for global Yamaha Motor links.