This professioan big power machine, rated speed is 7500r/m, max 10,000r/m. It can cut tall and thick grass, rocky groud. Typesingle-cylinder,forced air cooling,2 stroke,Displacement(mL)63.3Block dia(mm)48stroke(mm)35Maxpower/speed(kW/r/min)≥2.2/7500Oil consume(g/kW.h)≤544Fuel90 petrol 9lubricantFC 2 strokeMixed fuel tatio30:1spark plug gap(mm)0.5StarterRecoilspark plug ...