Overview
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
  • Boosts engine compression ratio to 14:1
  • Includes piston rings, piston pin, and clips (uses stock replacements)
  • Requires use of minimum 100-octane racing fuel
  • Restricted for closed-course competition only
Fitment
  • 2019 Yamaha YZ250F
  • 2020 Yamaha YZ250F
  • 2021 Yamaha YZ250F
  • 2022 Yamaha YZ250F
  • 2025 Yamaha YZ250F
  • 2020 Yamaha YZ250FX
  • 2021 Yamaha YZ250FX
  • 2022 Yamaha YZ250FX
  • 2025 Yamaha YZ250FX
  • 2022 Yamaha YZ450F
Contact Information

 Contact Information

Snow City Cycle Marine

1255 Kennedy Road
Toronto   Ontario , M1P 2L4

416.752.1560

Location