ne of a new generation of occasional use saws, the MS 171 STIHL chainsaw features reduced-emission engine technology — an advantage for the user because it reduces fuel consumption while reducing exhaust emissions. This innovative chainsaw is just right for homeowners who need to cut firewood, fell small trees or do clean up. Technical data Displacement 30.1 cm³ Weight 1) 4.3 kg Power-to-weight ratio 3.3 kg/kW Power output 1.3/1.8 kW/bhp Recomm. max. bar length 40 cm Vibration levels left/right 4.1/3.6 m/s² Oilomatic saw chain pitch/type 3/8" P Picco Micro Mini Comfort 3 Sound power level 2) 109.0 dB(A) Sound pressure level 2) 98.0 dB(A)