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MS 661

MS 661



Very powerful high-performance Chainsaw 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.


Technical data

STIHL Oilomatic saw chain pitch 3/8″
STIHL Oilomatic saw chain type Rapid Super (RS)
Displacement cm³ 91,1
Power output kW/bhp 5,4/7,3
Power-to-weight ratio kg/kW 1,4
Weight kg 1) 7,4
Recommended guide bar length cm/inch 55/22

1) Without fuel, guide bar or saw chain


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