YAMAHA OEM GYTR High Compression Piston Kit WR250F YZ250F YZ250FX 2019-2025 B7B-E16A0-V0-00
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.
Applications
WR250F (2020-2021)
YZ250F (2019-2023, 2025)
YZ250FX (2020-2024)