Item #: YK250ST-D Mainly features: 1. 250cc engine from YAMAHA factory in China 2. Dual swing arms 3. Air-chamber shock absorber 4. Disc (Front/Rear): Disc/Disc Engine:LC172FMM Engine Type: single cylinder, air-cooled, 4-stroke Displacement(ml): 229.6 Bore×Stroke: 72×62.1mm Max Power: 14.5kw/8500r/min Max. Torque: 18N. m/5500r/min Engine oil capacity(g/kW.h):?340 Starting: electric Drive: chain drive Brake(front/rear):disc/disc Brake Distance(m/30km):?7.00 Gearshift model: 5 forward, international gear Clutch:manual clutch Dimension(L×W×H)(mm):1880×1120×1080 Wheel Base(mm):1350 Net Weight(kg):196 Max Load(kg):150 Seat height(mm):800 Ground clearance mini(mm):170 Max.Speed(km/h): ?70 Tyre Size(front/rear):AT22*8-10/AT22*11.00-10