... cylinder, Two-stroke, Air-cooling gasoline engineMaximum shaft brake power1.5kw/7500rMaximum idling speed2800r/minMinimum clutch engagement speed4000r/minFuel Mixture Ratio25 ... * 250 * 300mmChain ModelOregon ChainQuantity/Container700set/20' , 1900sets/40HQ' professional 32cc chainsaw CE approved