
Stihl MS 261 C-M Gas Chainsaw 18 in. Bar
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The Stihl MS 261 C-M is a 50.2 cc professional-grade gas chainsaw with an 18-inch bar, built for felling, bucking and firewood work. Its M-Tronic electronic engine management adjusts the fuel mixture automatically, so there is no carburetor screw to tune as altitude or temperature change. It sits between the smaller MS 250 and the larger MS 362: lighter and cheaper to run than the bigger saw, but with more torque and a pro-style build than homeowner models. Owners and reviewers treat it as a durable, low-vibration saw that holds tune well, though it is heavier and thirstier than a battery saw and needs the usual gas, oil and chain upkeep.
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Owners and reviewers describe the MS 261 C-M as a reliable pro-grade saw that holds its tune and cuts hardwoods well for its size. Many praise the low vibration and the M-Tronic's hands-off carburetion. Complaints center on weight, fuel use and the learning curve of the electronic management.
The Stihl MS 261 C-M is a mid-size, gas-powered chainsaw with an 18 in. bar. It has the low exhaust emissions, high fuel efficiency and performance of the MS 261, and adds the M-Tronic engine management system.
M-Tronic uses an onboard microprocessor that digitally monitors work conditions and compensates for changes in elevation, temperature, fuel quality, octane level and dirty filters. It removes the low and high speed carburetor adjustment screws, so no manual adjustments are needed. The saw also has redesigned cylinders and a slimmer, ergonomic housing for its power-to-weight ratio.
The Ematic guide bar, used with Stihl Oilomatic saw chain, directs oil to the sliding faces of the bar and chain links, the rivets and the driver holes. This can reduce bar oil consumption by up to 50%. The ElastoStart starter handle has a built-in shock absorber that reduces the effort of pulling the starter cord. The Quickstop chain brake is designed to reduce the risk of injury in certain kickback situations. It stops the chain when the operator's hand activates it, or by inertia if the saw kicks back with enough force.







