Engine type: 1E40F-5Engine :two-stroke,single-cylinder,air-cooled2-cycle oil/gasoline mixing ratio:1:25Displacement:42.7ccPower:1.25kw/6500-7000rpm(1.7HP)Carburetor:Diaphragm typeShaft diameter:26mm or 28mmShaft length:1450mmBlade:metal blade or Nylon cutter