We worked with the best brands to create a true 143cc Big Bore Kit !
Kit Includes:
- OEM Quality 143cc Cylinder
- Wiseco Forged Piston w/ hardened annodizing 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)
*Tuning Required
2014+ CRF125F 143cc Big Bore Kit
$319.99Price