MS 311 - $479.95 DSRP



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Advanced engine technology improves fuel economy by up to 20% over previous model chainsaws for longer run times.

Ideal for felling, firewood cutting and storm cleanup, this mid-range chainsaw features a low-emission engine that reduces fuel consumption by up to 10% compared to previous models. The new air filtration system requires fewer filter changes and allows for longer run times.

Print Spec Sheets
MS 311 Specifications
DISPLACEMENT 59.0 cc (3.6 cu. in.)
ENGINE POWER 3.1 kW (4.2 bhp)
POWERHEAD WEIGHT 6.2 kg (13.67 Ibs.)
FUEL CAPACITY 600 cc (20.3 oz.)
CHAIN OIL CAPACITY 350 cc (11.8 oz.)
OILOMATIC® CHAIN 3/8" RS3
GUIDE BAR LENGTHS* (Recommended ranges) 40 to 50 cm (16" to 20")
STIHL ROLLOMATIC®
POWER SOURCE Gas
STIHL recommends #3624 (33 RS3 60) OILOMATIC® saw chain and 16" 3003 008 8913 Ematic™ guide bar combination. The actual listed guide bar length can vary from the effective cutting length depending upon which powerhead it is installed.
Model Features
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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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    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.

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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.

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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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    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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    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.
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.
* The actual listed guide bar length can vary from the effective cutting length based on which powerhead it is installed on.
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. Learn More…
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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    Chain Pitch File Diameter File Guide
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    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

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MS 311 is rated 4.7 out of 5 by 150.
Rated 5 out of 5 by from Excellent Saw I bought this saw after reading many reviews on the internet and talking to alot of different people. It has very good power and cuts better than any saw I have ever owned or used. The large chain makes quick work of larger trees and will even rip cut when necessary to split extremely large pieces in halves or quarters. I highly recommend this saw to anyone who cuts alot of wood.
Date published: 2012-10-23
Rated 5 out of 5 by from Excellent all around saw Got rid of my other brand orange saw years ago, ran into an excuse to buy a new saw. Buddy offered to trade me a new saw of my choice in exchange for doing some mechanics work for him. He recommended a stihl, so I decided to try it. Got this saw and lover it. Great power,features, always starts!
Date published: 2016-11-19
Rated 5 out of 5 by from Reliable, powerful, durable I bought my MS 311 about a year ago and it has performed beyond all expectations. It's lightweight for the amount of power it has, always fires right up, is tough as nails and makes short work of any task I've used it for. I cut several cords of firewood a year to heat our home and it has never let me down. Really, really great product.
Date published: 2016-11-18
Rated 5 out of 5 by from This saw is great and easy to handle. Used this saw for the first time cutting logs in the mountains for my cabin. Exellent performance and easy to handle. More than enough paower.
Date published: 2016-11-15
Rated 5 out of 5 by from Great mid sized saw I bought this saw to tackle larger wood cutting jobs. This saw has been wonderful and many people complain about the power to weight and difficulty starting. I have to disagree with them, stone cold it has never taken more than 4 pulls to start usually 3, and as far as weight it is not bad truly. It has plenty of power to pull the 20" bar buried into a 40" oak without a hiccup. I have run the snot out of this saw for a month now and occasionally it wears a 25" bar with a skip chain. I can honestly say it pulls that just fine. I would recommend this saw to anyone wanting something in this price and size point. The extra half hp over the husky is a nice too.
Date published: 2016-11-11
Rated 5 out of 5 by from good addition It takes so much less effort to cut and having the 20inch bar helps with big trees. I have been using a MS 250 for everything which wears me out. Having a bigger saw and a smaller has made life so much better. Heavy weight helps with cutting too and less vibration..
Date published: 2016-11-07
Rated 5 out of 5 by from Awesome workhorse Have used it heavily last 2 weeks and it has performed extremely well.
Date published: 2016-11-02
Rated 1 out of 5 by from Poor quality, don't buy I purchased my stihl MS311 two years ago to cut firewood. Initially I was very happy with the performance of the saw and ease of use. The saw had plenty of power. All of my cutting is sizing trees after a storm or tree service fell a tree. Since purchasing the saw I have put 6 gallons of fuel through the saw and only my second chain. No major use. Gradually the saw has become difficult to keep running after starting and often I have not been able to restart it after refueling. Recently I am having trouble starting it. I took it the the retailer to be serviced and received the news that the cylinder and shaft are extremely worn and/or damaged and need to be replaced along with the bearings. This service will cost more that the cost of a new saw. Fortunately they did not repair it but recommended I purchase a new saw. I will not purchase this or any other stihl saw. I had alway heard that stihl saws where the best and last a lifetime. Please don't make the same mistake I did.
Date published: 2016-11-02
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