CK250S-5 with EC Main parameter as well as function index Length xWidthxHeight (mm): 1880x1040x1140 Wheelbase(mm): 1160 Engine type: Single cylinders,air-cooling,fourth stroke Start mode: Electric/manual Power (kw/r/min): 9.9kw/6500r/min Max-Torque (N.m/r/min): 14/6000r/min Max-speed: >=80 Dry weight(kg):240 Transmission mode: Axis Break type(F/R): Disc/Drum Specification: 12V 14Ah Tank capacity (L): 11 Front hanging: Arm-swing Rear hanging :Integral Specification of tyre: Front-wheel drive 23x7-10;Rear wheel 22x10-10 Cylinder diameter * journey (mm): 77x58 Displacement (ml) : 229.6 Shift Gear : Five gear ,automatic The smallest turning semidiameter (mm): 2900 Parking trig: Mechanic lock Ignition mode: C.D.I Loading capacity(kg): 165 Person: 1 Compression proportion: 8.7:1