gasoline engine with high efficent,low fuel consumption,low noise,it has a good stable on hosepower. MODEL: 173FENGINE TYPE: SINGLE CYLINDER,4-STROKE,OHV25º,AIR COOLMAX.POWER(KW/4000rpm): 8.0HP/4000RPMRATED POWER(KW/3600rpm): 3KWACORT ORQUE(N·m/rpm): 16.5/3000BORE×STROKE(mm): 73×58DISPLACEMENT (cc): 242COMPRESSION RATION: 8 : 2 : 1ENGINE OIL CAPACITY (L): 1.1NOISE(≤7m): 80dBALUBRICATING SYSTEM: ...