EngineEngine Type:Single cylinder,water-cooled, DOHC ,Four-stroke ,4 valves,Counterbalancer shaftDisplacement (ml):249ccBore X Stroke (mm):70x65Compression Ratio:10.8:1Max. Power (kw/r/min)18.0/8000(the standard on the certificate12.0/6000)Max. Torque (N.m/r/min):24.0/6500(the standard on the certificate20.0/5000)Max. Speed (Km/h):≥110(the standard on the certificate80)Lubrication:Pressure ,splashClutch Type:Multiplate wet clutchIgnition:DCDIStarting System:ElectricTransmission System:Chain driveCHASSISFront Suspension:940±3mm290mmφ48mmAdjustableRear Suspension:408±2mm80mmφ12mmAdjustableChassis structure:MaterialQ235/Material6061Rear Swing armAlloy Material6061Handlebar:forgings and extrusions ,φ28φ22Front Brake:Hydraulic twin piston Disc BrakeRear Brake:Hydraulic single piston Disc BrakeFront Tire:110/70-17Rear Tire:140/70-17MufflerStainless steel exhaust pipe. Alloy mufflerSteering Head Angle:Adjustable Steering systemBattery:12V6.5AhNone-maintenanceDIMENSIONSL X W X H (mm):2190×820×1240Seat Height (mm):920Wheelbase (mm):1510Turning Radius (mm):AdjustableMin. Ground Clearance (mm):270Max. Permissionable Weight (kg):150Rider Capacity:2 PersonDry. Weigth (kg):135Engine Oil (L):1.3Fuel Tank Capacity (L):8