J2 LEOPARD dirt bike ENGINEEngine type:250CC, 2-valves, single cylinder, 4-stroke, air cooled, electric Bore X Stroke:65.5 x 68.2 mmCompression Ratio:10.7:1Max power23HP/ 11000rpmMin Fuel Consumption<=354g/KW.HMax torque:20.3N.m/9700rpmTransmission system5 speed, international gearlgnition modeCDIClutchManual, wet multiple..