... stroke,4 valve ,seven gears, gasoline machine Engine typeSingle cyclinder,water cooling,4 stroke,4 valve ,seven gears, gasoline machineDisplacement387ccBore*stroke91*59 ... + footFront and rear tyre air pressure(KPa)Front tire:2.3Kpa;Rear Tire:2.5KpaMax. speed140Km/hMax. loading capacity150kgTank capacity13LTurning degreedegree≤ 45 ...