GYTR® High Compression Piston Kit

1SM-E16A0-T0-00   -   Aluminium

Piston kit to replace the original piston to increase performance.

  • Provides a performance boost throughout the RPM range while maintaining a high level of durability
  • The special 2-ring design provides less drag and more horsepower than the stock 3-ring design
  • The CNC machined forged aluminum piston also helps boost the engine compression ratio to 14:1
  • Includes piston rings, piston pin, and clips (uses stock replacements)
  • Uses stock gaskets (not included)
  • This piston requires use of a minimum 100-octane racing fuel


For use on 2014-2015 YZ250F models, you must replace stock oil nozzle with newer component (1SM-15155-10-00) for proper function.

Suitable for 1 great model

  • YZ250F


    '14 '15 '16 '17