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.
The GYTR® Top End Gasket Kit is required for installation of the GYTR High Compression Piston Kit.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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