250CC engine single cylinder, 4stroke, air/water cooled 1. Engine type: 250cc single cylinder, 4stroke, air/water cooled2. Transmission mode: chain drive3. Start way: Electric start 4. Max speed: 70km/h5. Wheel bases: 1140mm6. Distance between: wheel/Front: 930mm Rear: 770mm7. Tyre/Front tire: AT 21x7-10 Rear tire: AT 20x10-108. lubrication: Pressurized Splash9. Compression Ratio:10.0:1,10. ...