140cc 4-Stroke Single-Cylinder Racing Engine for Pit Dirt Bike - Compatible with Honda CRF50, CRF70, XR50, Z50 & More

High Power Output: 140cc engine producing 8kW of power at 7500 RPM for enhanced racing and off-road performance. Manual 4-Speed Gearbox: 4-speed manual clutch with 1N234 gear pattern for smooth shifting and control. Strong Torque: 9.5N·m torque at 5000 RPM for quick acceleration and improved off-road capability. CDI Ignition System: Provides reliable starts and consistent performance in all conditions. Wide Compatibility: Fits a variety of Honda models like CRF50, XR50, Z50, and more. Ideal for pit dirt bikes and mini trail bikes.