... 4.Power increased 15 % 5.Disk / drum China engine scootersModelZW50QT-49 Dimension(L*W*H,mm)1830 x695x1160Wheel base(mm)1285Min ... cylinder, four stroke ,air cooled Displacement(ml) / bore x stroke 49.6cc / 39 x 41.5 Starter/ Ignition systemkick/electrical start ... scooters / motor scooters/50cc scooters /gas/ petrol/ gasoline scooters/(ZW50QT-49)