No Products in the Cart
The Stihl MS661 is a very powerful high-performance saw with advanced 2-MIX technology and STIHL M-Tronic (M). The 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 a rollomatic guide bar and full chisel rapid super chain.
The 28" bar supplied is the Stihl ES Light Guidebar as per the picture
The 36" bar supplied is the Stihl Rollomatic ES guidebar. (This is because Stihl does not produce the light bar in 36" lengths)
| Displacement cm³ | 91.1 |
| Power output kW/bhp | 5.4/7.3 |
| Weight kg 1) | 7.4-7.5 |
| Power-to-weight ratio kg/kW | 1.4 |
| System weight kg 2) | 9.22 / 10.28 |
| CO2 g/kWh | 711 |
| 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 l | 0.85 |
| STIHL Oilomatic saw chain pitch/type | 3/8" RS |
| Bumper spike | Stahlkralle |
| Sprocket - number of teeth | 7.7 Z |
| Cylinder | Chrom |
| Oil pump | einstellbar |
| Filter | Patronenfilter HD2 |
| Sprocket | Chain sprocket,Ringkettenrad |
| Chain tensioning | seitliche Kettenspannung,Side chain tension |
| Anti vibration system | Standard AV-System |
| Filler cap | WTV werkzeugloser Tankverschluss |
| Chain pitch | 3/8",3/8" |
| EPA Certified fuel consumption l/h | 2.841 |
| Oil tank volume cm3 | 400 |
1) without bar/chain - ESLight bar only fitted to 28" machine.
2) (K) factor according to Dir. 2006/42/EC = 2m/s²
3) Power factor according to DIR2006/42/EC=2.5(dB(A))
