STIHL MS 661

Big timber saw for the toughest jobs in forestry. The M-Tronic guarantees optimum engine performance at all times, while its single start position and stop button function mean easy starting. Controlled-delivery high-performance oil pump for conveying high quantities of oil; HD2 filter with very good filter effect, economical 2-MIX engine.
Technical specifications Values Displacement 91,1 cm³ Power output 5,4/7,3 kW/bhp Weight 1) 7,4 kg Power-to-weight ratio 1,4 kg/kW Sound pressure level 2) 105 dB(A) Sound power level 3) 118 dB(A) Vibration level left/right 4) 6,9/5,6 m/s² Saw chain pitch 3/8" STIHL Oilomatic saw chain type Rapid Super (RS)
1) Without fuel, without bar and chain 2) K-factor according to DIR 2006/42/EC = 2.5 (dB (A)) 3) K-factor according to DIR 2006/42/EC = 2.5 dB (A) 4) K-factor according to DIR 2006/42/EC = 2m / s ²