Takegawa has incorporated their skirtless piston design, auto decompression camshaft, and proven +R Superhead performance into the ulitmate bore up kit for the Lifan 120cc engine with 52.4mm bore and 55.5mm stroke, and 14mm wrist pin. SCUT piston and cylinder requires very little case work for fitment. This kit includes complete top end bolt on components for the Lifan 120 offered originally in the Thumpstar, SDG, and RCM pitbikes. Expect peak horsepower between 15-16 putting it right on par or ahead of the Daytona 150, YX150/160. Kit includes:
This kit was developed specifically for the Lifan engine beginning with serial number 1P52FMI, (refer to engine schematics below) and though may be adapted to fit other models, Takegawa expresses no warranty for improper application of their products. This product may increase horsepower output beyond the capabilities of certain OEM Lifan engine components. This product is designed for race purposes only and is intended to be installed and operated by customers with technical engine knowledge and experience.
- +R ported Superhead with roller rockers and titanium retainers
- S-15D decomp camshaft standard, 5 other decomps optional
- 59mm SCUT piston and all aluminum ceramic coated cylinder
- +R cam cover
- top end gasket kit