Engine: air-cooling,2-stroke,single cylinder gasolineDisplacement:37.2CCEngine power:1.2KW/5000rpmIdle speed:2800rpmFuel/oil mixture ratio:25:1Fuel tank capacity:310mlOil tank capacity:210mlBar size:355/405/455mm(14"/16"/18")Chain pitch: 3/8"Machine weight:7KgPacking size: 430*260*280mm