Max. Power 7.5kW(10.1hp)/8000rpm Max.Torque 10.5N.m/5500rpm RK125 Parameters NameRK125 Cylinders1 Valves2 Displacement(ml)127.1 Max.Power(kW/rpm)7.5(10.1hp)/8000 Max.Torque(N.m/rpm)10.5/5500 GearCyclic 4-Speed Gearshift Starting MethodElectric/Kick lgnition ModeCDI Cooling MethodAir-Cooled Engine TypeOHC BorexStroke(mm)54x55.5 Compression Ratio9.1:1