MS 261 C-M - $559.95 DSRP



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The same great MS 261, but with advanced STIHL M-Tronic™ technology for optimized performance in various conditions.

The MS 261 C-M features low emissions, high fuel efficiency and the advanced STIHL M-Tronic™ engine management system. STIHL M-Tronic™ helps deliver maximum performance across a wide range of cutting conditions. The system digitally monitors changes in elevation and temperature and automatically adjusts for fuel quality, varying octane levels and dirty air filters. The MS 261 C-M also features red...Read More
Print Spec Sheets
MS 261 C-M Specifications
DISPLACEMENT 50.2 cc (3.06 cu. in.)
ENGINE POWER 3.0 kW (4.0 bhp)
POWERHEAD WEIGHT 4.9 kg (10.8 Ibs.)
FUEL CAPACITY 500 cc (16.9 oz)
CHAIN OIL CAPACITY 270 cc (9.13 oz)
OILOMATIC® CHAIN 26 RM3
GUIDE BAR LENGTHS* (Recommended ranges) 40 to 50 cm (16" to 20")
STIHL ROLLOMATIC® E
POWER SOURCE Gas
STIHL recommends #3634 (26 RM3 67) OILOMATIC® Saw chain and 16" 3003 008 6813 Ematic™ guide bar combination. The actual listed guide bar length can vary from the effective cutting length based on which powerhead it is installed on.
Model Features
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    Anti-Vibration System
    STIHL has developed a system for minimizing the vibration levels of handheld outdoor power equipment. The STIHL anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience.
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    Pre-Separation Air Filtration System
    This time-saving technology boosts the efficiency of the engine’s filter system, doubling the time between air filter cleanings. Air drawn into the engine is first separated via centrifugal force, ejecting the heavier dirt particles before being routed to the air filter. This pre-separation means less dirt to be captured by the air filter, resulting in less frequent cleaning and maintenance.

    More Information

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    Side-Access Chain Tensioner
    The side-access chain tensioner makes it much more convenient for the user to adjust the saw chain with a bar wrench as opposed to the typical location of the guide bar adjustment screw.
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    Decompression Valve
    The decompression valve, also referred to as 'deco' or 'deco valve', vents compression in the cylinder for easier starting. The decompression valve temporarily reduces the compression in the combustion chamber during cranking and helps reduce the effort needed to pull the starter rope. It is opened manually and closes automatically as soon as the engine fires.
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    Built in the USA
    Indicates products that are built in the United States from domestic and foreign parts and components.

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    Toolless fuel and oil caps with retainers
    Simply lift the lever and twist the caps to remove or tighten. There‘s no need to use a tool to tighten or loosen.
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    Reduced-Emission Engine Technology - Caring for Nature
    The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.

    More Information

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    STIHL M-Tronic™ 
    This product features M-Tronic™ (M) - a new generation of Intelligent Engine Management that eliminates the low and high speed carburetor adjustment screws, compensates for dirty air filter and changes in elevation and fuel quality for optimum engine power at all times.

    See it in action!

    More Information

Standard Features
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    Common Features for Chainsaws
    View the features common to many STIHL chainsaws.

Important Information
WARNING! The occurrence called “kickback” can cause serious or fatal injury. Always read the instruction manual carefully before using your saw. STIHL uses a green and yellow color-coding system to help you select a powerhead, bar and chain combination that complies with the kickback requirements of ANSI Standard B175.1 (gasoline-powered saws) and §30 of UL 1662/ ANSI Standard B175.1 (electric chainsaws). Ask your STIHL dealer about safe operating procedures and the advantages of the STIHL Quickstop® chain brake, STIHL Quickstop® Plus (Q) additional chain braking feature, STIHL reduced kickback bars and STIHL low-kickback saw chains.

STIHL recommends the use of green reduced kickback bars and green low kickback chains on all STIHL chainsaws.
WARNING! 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.
Click to view the STIHL Limited Warranty Time Periods
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    •2.6 oz. bottle makes 1 gallon mix

    •5.2 oz. bottle makes 2 gallon mix

    •6.4 oz. bottle makes 2 1/2 gallon mix

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    STIHL recommends a mix of 50:1 high-quality 89 octane or higher unleaded gasoline to STIHL engine oil. This same mix ratio should be used during break-in.

  • Bar and Chain Oil Zoom
    Bar and Chain Oil
    STIHL Bar and Chain oil is formulated to adhere to the bar and chain, and to reduce wear. Special agents in the oil formulation help keep sap and pitch from clinging to the bar and chain.

    Available in quart and gallon bottles, 5 gallon pails and 55 gallon drums, in both summer and winter weights.

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    Woodsman Chainsaw Carrying Case
    Woodsman carrying case. Unique, removable bar scabbard has built-in tool holders to carry tools to the cutting site. Fits MS 170 to MS 460 M with 20" bar.

    Replacement latches and scabbard are available.

  • Complete Filing Kits Zoom
    Complete Filing Kits
    Kits available for the following chain types: STIHL PICCO Mini; 1/4" pitch chain; .325" pitch chain; 3/8" pitch chain; .404" pitch chain.
    Includes file guide, depth gauge, round file, flat file and two file handles in tool pouch.
    Chain Pitch File Diameter File Guide
    Part Number
    Sharpening Kit
    Part Number
    in. mm in. mm Part Number
    3/8 PMN 9.32 5/32 4.0 0811 411 8073

    5605 750 4327

    5605 007 1026

    1/4
    3/8 PM
    6.35
    9.32
    5/32 4.0 0811 411 8091

    5605 750 4327

    5605 007 1027

    0.325 8.25 3/16 4.8 0811 412 8088

    5605 750 4328

    5605 007 1028

    3/8 9.32 13/64 5.2 0814 243 3384 5605 750 4329

    5605 007 1029

    0.404 10.26 7/32 5.5 0811 412 8108 5605 750 4330

    5605 007 1030

For Your Safety
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    Pro Mark™ Forestry Helmet System
    The STIHL Pro Mark™ Forestry Helmet System is a premium quality product, designed with NRR 25 hearing protection and adjustable ratchet-style six-point suspension.
  • STIHL Proscaper Series™  Gloves Zoom
    STIHL Proscaper Series™ Gloves
    Woven elastic back flexes to allow total movement freedom. Custom-fit wrist strap closure for personalized comfort. Sizes available M, L, XL.

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MS 261 C-M is rated 4.8 out of 5 by 102.
Rated 4 out of 5 by from Smooth running saw. I've only had the saw a couple months and haven't used it much yet but so far seems to be a fine saw. It doesn't start as easy as i thought it would. Pulls easy but usually take 4-5 cranks to get it fired up when it is cold. Once it is warmed up it starts 1st or 2nd pull.
Date published: 2017-03-16
Rated 5 out of 5 by from Nothing but great things to say This saw is amazing. Hands down. From ease of start, great on gas, lots of power, barely any vibration and it cuts through trees like butter. I have 4 acres of wooded property that I am working on clearing with mainly hardwoods and very large poplars and this saw makes quick work of them.It is worth the extra money in my opinion to buy a professional saw. This is something I can see having for 20 years. I replaced an old 1982 Pro Saw from a different company that I got from my grandfather that still runs but was starting to be a bit unreliable. I was leary because that old saw was a powerful beast but this thing is just as powerful if not more.
Date published: 2017-03-14
Rated 5 out of 5 by from Fantastic Saw I am a land owner about to build a house and needed to do some clearing of medium sized trees and dense brush. A friend came over with a small arborist saw to take care of the upper branches and I stayed on the ground with the MS 261. The saw never had a single hiccup during the entire process except a bar oil cap that popped of and drained the bar oil (user error). It handled every tree with ease.I would absolutely recommend this saw if you want a commercial line reliability/power and are willing to pay a bit more for it.
Date published: 2017-03-12
Rated 5 out of 5 by from Powerful Saw Most powerful saw I have ever used. Only con was starting from a cold start. I am hoping once the saw is broken in this will change.
Date published: 2017-03-08
Rated 5 out of 5 by from Pricey but I believe it will be worth it. I've had a ms 250 for several years 6+ now and have loved it. I found myself over the last two years cutting a lot of firewood from tops of trees downed from a logging operation. I loved my 250 but wanted just a little more reach (longer bar) and a little more power (larger engine). I was torn between several models including the 271, 291, and 311 all which were valued in a range that I wanted to be in. However I kept looking into this 261 c-m and ended up spending the extra bones for the lightweight body. As long as this thing holds up like my 250 has I will really believe that it was totally worth the purchase. I've used it the past three weekends and I have found myself looking for things to cut just so I can use it more. It even seems lighter than my 250 I guess because there is little to no vibration from this thing. I didn't select the quality or dependability at this time - to be fair, I haven't had it long enough to make that judgement but, it's lightweight, easy to start, the power that I was looking for, and hopefully with the same great quality that I have gotten out of all of my Stihl products. Good luck in making your decisions, hope this helped.
Date published: 2017-03-08
Rated 1 out of 5 by from Poor return to idle performance! You never know when you let off the throttle if it is going to idle or die. This is a real problem if you need to get the saw back into a falling tree to control it. Also the oil filler cap likes to come open when you are running. Not very good quality for a saw in this price range.
Date published: 2017-03-06
Rated 5 out of 5 by from Love the new M tonic carb No adjustments are necessary! lots of power looks good. I'd recommend it
Date published: 2017-02-26
Rated 5 out of 5 by from Excellent mid-range pro saw I just got my ms 261 cm, yesterday, but have already fallen in love with it. It starts in a flash, usually with just one pull, and I do not have to spend time adjusting it's idle and high and low jets. It does it for me, but the one thing I really love is its decompression button. I am used to cranking my 271 and 291 and the cranking sequence is a joy, compared to these saws, even though I generally crank the 271 from the standing position. I haven't cut a lot with the 261, yet, but it mowed through some green oak and pine biscuits with no problem. The only problem I have noted was the chain adjuster gear was a little rough, so I removed the metal bar stud cover and saturated the whole area with bar oil from my pneumatic oiler. No more problem. I had a similar problem on my ms 251 and fixed it in the same fashion. I did break in my 261 with an extra cupful of stihl's Ultra oil on the first two tanks but am now running my standard 50:1 premium non-ethanol mix with Ultra two cycle oil and Platnium bar oil. I did turn the oiler up to its maximum position because I am running a 20 inch, .325, .063, 81 chain on this saw. I have a brand new RS chain to put on it when it gets a little more broken in but I will leave the standard green chain on it for a while. It is at least 2# lighter than either my 271 or 291 and atleast 5# lighter than my 65 cc 029. It will never compete with larger saws but it will stay with my other big saws. I am very pleased with it, so far.
Date published: 2017-02-22
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