MS 251 CHAINSAW 16" Part No. 11432000661 * Heavy-duty gas chainsaw for harvesting firwood in forests * For domestic users and tradespeople Displacement 45.6 cm³ Displacement 2.8 cu-in Power 2.20 kW Engine power 3 PS Engine power 3 bhp SIDE-MOUNTED CHAIN TENSIONING FOR LOWER FUEL CONSUMPTION AND HIGH PERFORMANCE. Thanks to STIHL four-channel technology, you can work with your power tool with very low fuel consumption and high performance.