143cc Big Bore Kit by Rad Speed & Design
Fitment:
2014-Current Honda CRF125F & CRF125FB
Kit Includes:
- OEM Quality 143cc Cylinder
- Wiseco Forged Piston w/ hardened anodizing and Teflon coated skirts
- Wrist pin and clips
- Piston Rings
- NGK Spark Plug
- Cometic Gasket Kit
Options:
- 11:1 Compression ratio piston (91 Octane Pump)
- 13:1 Compression ratio piston (104 Octane+ Race Gas)
Serious fun for the small bore. Proudly made in the USA!
Please keep in mind that 2019+ EFI models will require a fuel controller like the aRacer MiniX that we sell or an ECU flash from CJR in order to use this kit.
