MS 661 Gasoline Chainsaw
MS 661 Gasoline Chainsaw
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MS 661 Gasoline Chainsaw
When professionals need to fell large trees, in large quantities, they reach for the saw they know has the power to get the job done —the MS 661 C-M. Featuring an impressive power-to-weight ratio and STIHL M-Tronic™ engine management technology, the MS 661 C-M chainsaw also delivers less vibration and 20% greater fuel efficiency than the previous model. Other features include a long-life filter system using HD-2 filter elements to provide longer run times between maintenance, an ElastoStart™ handle, and a high output adjustable oiler.
Wrap-handle version available in select areas. See MS 661 R C-M.
Hazard Warnings
Hazard Warnings
Note: STIHL recommends use of fuel with no more than 10% Ethanol content. Using fuel with greater than 10% Ethanol content may cause damage to your equipment and may void your STIHL warranty.
Proposition 65 - EnglishThis product contains chemicals known to the State of California to cause cancer and reproductive harm. www.P65Warnings.ca.gov
General Power ToolImproper use of any power tool may cause serious or fatal injury. Read, understand, and follow carefully the operating and safety instructions in your instruction manual before using such products. STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only. Improper use of any power tool may cause serious or fatal injury. Read, understand, and follow carefully the operating and safety instructions in your instruction manual before using such products. STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.
Technical details
Technical details
| Displacement | 5.6 cu-in |
| Power | 5.40 kW |
| Engine power | 7.30 HP |
| Device weight without refuelling | 16.8 lb |
| System weight without refuelling | 10.52 / 9.68 / 10.25 / 9.81 / 8.88 / 9.09 / 9.25 / 9.69 / 9.34 / 9.65 / 9.86 / 9.21 kg |
| Power-to-weight ratio | 1.40 kg/kW |
| Bar length | 36 / 25 / 32 / 28 / 16 / 18 / 20 " |
| Groove width | 50 " |
| Saw chain pitch | 3/8" |
| Device length with bumper spike | 482 mm |
