250CC Motorrad-Motor

Structure dataEngine ModelYG170MMEngine Type1-Cylinder,doublecam,4-Stroke,water-cooledStart systemElectricCylinder diameter70 (mm)Piston journey65 (mm)Cylinder dimension250 (ml)Nominal displacement250 (ml)Compression ratio0.459027778Capability parameterMax power19/8500±500 (kw/(r/min))Standard power17/8500±500 (kw/(r/min))Max torque21/7500±500 (N·m/(r/min))Consumption(g/kw.h)≤354Minidle speed1500±150 (r/min)Pollution C0:% HC:ppmCO≤3.8 Hc≤800Starting capability≤15Transmission dataClutch typeWet and multitudinousTransmission systemChainTransmission typeGearPrimary transmission ratio2.727Gear transmission ratioI12.846I21.777I31.333I41.041I50.885I60.785Fuel dataFuel typeRQ-90Capacity1.4(L)Lubricating oil15W/40-SEAir cleaner≥135m3/hCarburetorZ30VSpark plugTORCH C9EHPump typeInner and outside rotorMagnetor typeMagnetizing