Product Description
The STIHL MS 661 C-M 25" Magnum® Gas-Powered Chainsaw is designed for demanding professionals tackling large-scale felling tasks with power and efficiency. Featuring an impressive power-to-weight ratio, this chainsaw comes equipped with STIHL M-Tronic™ engine management technology for consistent performance, reduced fuel consumption, and optimized engine power. The Ematic™ Lubrication System enhances chain oil distribution, while the IntelliCarb™ compensating carburetor adjusts for optimal air-to-fuel ratios. The ElastoStart™ handle reduces starting effort, and a long-life HD-2 filter system minimizes maintenance intervals. Perfect for heavy-duty professional use, the MS 661 C-M offers unmatched reliability and performance.
Features:
STIHL M-Tronic™ - Intelligent engine management for optimal performance in varying conditions.
Ematic™ Lubrication System - Ensures efficient oil distribution to reduce chain wear and oil consumption.
STIHL ElastoStart™ - Reduces starting effort with a shock-absorbing starter handle.
IntelliCarb™ Compensating Carburetor - Automatically adjusts air/fuel ratio for consistent engine performance.
HD-2 Filter System - Long-life air filtration system reduces maintenance needs and improves efficiency.
High-Output Adjustable Oiler - Customizable chain lubrication for heavy-duty cutting tasks.
Model Number: MS 661 C-M 25
Specifications
Power Source: Gas
Powerhead Weight: 16.5 lbs.
Guide Bar Length (Recommended): 25 in.
OILOMATIC® Chain: 3/8" RS3
Chain Oil Capacity: 13.5 oz.
Engine Power: 7.2 bhp
Fuel Capacity: 28.7 oz.
Displacement: 91.1 cc
Intended Use: Professional
STIHL M-Tronic™: Yes
Ematic™ Lubrication System: Yes
STIHL ElastoStart™: Yes
IntelliCarb™ Compensating Carburetor: Yes
HD-2 Filter System: Yes
Adjustable Oiler: Yes
Manuals
Misplace the user manual? No problem! Hartville Hardware is here to help. Below is the user manual for the STIHL MS 661 C-M 25" Magnum® Gas-Powered Chainsaw. Read it before you buy it, or come back and download it if you have any questions after getting your product home.
STIHL MS 661 C-M 25" Magnum® Gas-Powered Chainsaw
Warranty & Certifications
STIHL Limited Warranty can be found here: Click to View
All STIHL products are warranted for 3 months when the product is used for rental purposes. All STIHL axes, hedge shears, loppers, pruners, and pruning saws are warranted against defective material or workmanship until the product is no longer available while owned by the original purchaser (other than for the purpose of resale) when used for all applications.
STIHL products sold through U.S. dealers are only for distribution in the United States.
DOUBLE THE LIFE OF YOUR LIMITED WARRANTY
Double limited warranty protection applies to STIHL gasoline-powered products purchased for personal non-income producing, household purposes only. At the time of your equipment purchase, simply purchase a six-pack of STIHL HP Ultra Oil or at least one gallon of STIHL MotoMix® premixed fuel to qualify for the double limited warranty coverage. STIHL HP Ultra Oil and STIHL MotoMix® premixed fuel provide for improved engine longevity. See the dealer for details or refer to STIHL’s Limited Warranty Policy.
