1 Overall Dimension Length ? Width ? Height: 1680?1090?1010mm 2 Proper Mass of Empty Vehicle: 170kg 3 Max Speed: ≦75km/h 4 Climbing Ability: ≦20° 5 Specification of Front Wheel: 21X7-10, 50Kpa 6 Specification of Rear Wheel: 21X9-8, 50Kpa 7 Type of Engine: ZS161FMJ 8 Efficient Capacity: 150ml 9 Rated Power and Rotate Speed: 9.2 KW/9000r/min 10 Rated Torque and Rotate Speed: 10.5N.m/7500r/min 11 Compressing Ratio: 9.5:1 12 Gearshift Mode: Five speed 13 Starting System: Electrical Starting 14: Cooling System : Air cooling Welcome to viewed details information at my website: /typemore.asp?tid=18 For any commercial or technical question, please feel free to contact me by my e-mail.