Very powerful high-performance saw with advanced 2-MIX technology and STIHL M-Tronic (M). This electronic engine management system regulates the ignition timing and the fuel supply and automatically registers the external temperature for optimal engine performance, great acceleration and sustained maximum torque. Extremely robust and durable with low vibration levels. Designed for professional use within forestry and big timber harvesting. Supplied with rollomatic E guide bar, not rollomatic ES light as pictured.
- High-performance petrol saw for even the toughest jobs
- For professional hardwood forestry
- Easy starting and optimised engine performance with STIHL M-Tronic
- Competition chainsaw in the STIHL TIMBERSPORTS® series
STIHL MS 661 Petrol chainsaw
Bar length 71-90 cm Bar length 28-36 in Displacement 91.1 cm³ STIHL Oilomatic saw chain pitch/type 3/8" RS Power output 5.4/7.3 kW/bhp Weight 7.5 kg 1) Tank volume 0.85 l Speed at maximum power 9500 rpm Bumper spike Steel claw Sprocket - number of teeth 7 Z Power-to-weight ratio 1.4 kg/kW Cylinder Chrome Filter material PET fabric Oil pump Adjustable Filter Cartridge filter HD2,HD2 filter Sprocket Ring sprocket Chain tensioning Lateral chain tensioning Anti vibration system Standard AV-System Weight 9.22 / 10.38 kg 2) Handle type Standard grip Exhaust Standard muffler,Standard silencer Filler cap Tool free filler cap,WTV tool-free tank cap Chain pitch 3/8" Carburettor STIHL M-Tronic Sound pressure level 105 dB(A) 3) EPA Certified fuel consumption 0.751 glh EPA Certified fuel consumption 2.841 l/h Oil tank volume 400 cm³ Sound power level 118 dB(A) 3) Vibration values left/right 6.9/5.6 m/s2 4) STIHL Oilomatic saw chain pitch/type 3/8" CO² 711 g/kWh