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MS 661 C-M


Very powerful high-performance saw with advanced 2-MIX technology, STIHL M-Tronic (M) and heated handles (W). 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. The heated handles keep your hands warm and dry for a better grip, making your work safer in winter. Extremely robust and durable with low vibration levels. Designed for professional use within forestry and big timber harvesting.

Included Products

SKU: MS 661 C-M Categories: , Tag:

Additional information

Bar And Chain Size

63CM/25", 71cm/28", 75CM/30", 90cm/36"

Displacement cm³91.1
Power output kW/bhp5.4/7.3
Weight kg 1)7.4-7.5
Power-to-weight ratio kg/kW1.4
System weight kg 2)9.22 / 10.28
CO2 g/kWh711
STIHL Oilomatic saw chain pitch/type3/8 RS
Sound pressure level dB(A) 3)105
Sound power level dB(A) 3)118
Vibration values left/right m/s² 4)6.9/5.6
Tank volume l0.85
Speed at maximum power Um9.500
Bumper spikeSteel claw
Sprocket - number of teeth7.7 Z
Oil pumpAdjustable
FilterHD2 filter
SprocketChain sprocket,Ring sprocket
Chain tensioningLateral chain tensioning,Side chain tension
Anti vibration systemStandard AV-System
Handle typeStandard grip
Filler capTool free filler cap
Chain pitch3/8
EPA Certified fuel consumption glh0.751
EPA Certified fuel consumption l/h2.841
Oil tank volume cm3400
1) Without fuel, without bar and chain 2) Unfueled, with guide bar and saw chain 3) K-factor according to DIR 2006/42/EC = 2.5 dB (A) 4) K-factor according to DIR 2006/42/EC = 2m / s2

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