Features & Benefits
- Boost horsepower by 10-15% with a cylinder diameter increase from 50mm to 52.4mm.
- Repair worn engine cylinders effectively by boring and resizing.
- Tailor modifications for specific models like CRF150R and 105SX.
- Optimize two-stroke engines for better low and medium-speed torque.
- Easy installation with complete package including cylinder, piston kit, and gaskets.
- Compatible with Lifan 125cc and various ATV models.






