50cc dirt bike EEC single-cylinder, 2-stroke water- cooled Ignition CDI very popular in Europe market 50cc dirt bike EEC single-cylinder, 2-stroke water- cooledVery popular in Europe market .EngineType single-cylinder, 2-stroke water- cooledBore x Stroke (mm) 39.9mm ×40mmCompression Ratio 11.5:1Ignition CDITransmission 5-speed gear shiftStarting system ElectricMax power 5.0KW/8500rpmMax torque 5. ...