Specification: Overall Dimension Length譝idth譎eight 1680?080?050mm Proper Mass of Empty Vehicle 230kg Max Speed ≦80km/h Climbing Ability ≦30? Specifications of Front Wheel 23X7-10, 50Kpa Specifications of Rear Wheel 22X10-10, 50Kpa Type of Engine LIFAN Efficient Capacity 234ml Rated Power and Rotate Speed 12.5 KW/8000?00r/min Rated Torque and Rotate Speed 15N.m/8000 ?00r/min Compressing Ratio 9.2:1 Gearshift Mode Five Speed (with reverse) Starting System Electrical Starting Cooling System Air Cooling Bore and Stroke 53x53mm double cylinder 250cc 2-cylinder 5-speed with reverse warranty: 2 years beside of engine