FS 131 - $429.99 DSRP


Distributor Suggested Retail Price
FS 131

DSRP: $429.99

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An improved and powerful bike-handle trimmer made for professional use, featuring great power and efficiency.

The STIHL FS 131 trimmer features more power and comfort than previous models. With its 36.3 cc engine and 710 cc fuel tank, this trimmer runs 30% longer than the FS 130. Its bike handle has been redesigned with rubberized grips for enhanced comfort. The trimmer also features one touch stop, an easy, three-step starting procedure enabled by the semi-automatic choke lever, improved air filtration, ...Read More
Print Spec Sheets
FS 131 Specifications
DISPLACEMENT 36.3 cc (2.2 cu. in.)
ENGINE POWER 1.4 kW (1.9 bhp)
WEIGHT* 5.8 kg (12.8 lbs.)
FUEL CAPACITY 710 cc (24.0 oz.)
CUTTING SWATH 16.5"
POWER SOURCE Gas
*Without deflector and cutting attachment.
Model Features
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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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    Simplified Starting Procedure
    To get started, simply pump the fuel primer, set the choke and pull the starter cord. The built-in stop switch allows the user to turn off the engine with a simple press of the button. When the engine is off, the throttle lock automatically returns to the “start” setting. Your power tool will be ready to be started when you’re ready to get back to work.

    See it in action!
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    IntelliCarb™ Compensating Carburetor
    The IntelliCarb™ Compensating Carburetor measures the air pressure on the clean side of the air filter and adjusts the metering diaphragm in the carburetor. This keeps the RPM at a consistent level, even when the air filter begins to clog.
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    Tool-Free Handle Adjustment
    The central wing nut enables easy adjustment without the use of tools. For transportation and space-saving storage, the handle can be rotated 90°.
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    Anti-Vibration System
    STIHL has 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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    Cutting Heads & Blades Selection Chart
    Need help selecting a cutting head or blade for your STIHL trimmer or brushcutter?

    Click here to view the Cutting Heads & Blades Selection Chart (PDF Format).
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    Built in the USA
    Indicates products that are built in the United States from domestic and foreign parts and components.

    More Information

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    Shoulder Strap / Carrying System
    Using a shoulder strap or carrying system helps distribute the weight of the equipment for increased operator comfort and improved maneuverability.
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    Fully Lined Drive Shaft
    Provides smooth operation and less vibration.
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    High Tech Polymer Housing
    Housings are lightweight, withstand greater impact and are corrosion-resistant.
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    Protected Choke Lever/Knob
    Helps prevent damage.
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    Bike Handle
    When used in conjunction with a harness, the bike handle allows the machine to be easily guided, enabling a smooth horizontal mowing action to cover large areas quickly and efficiently. With soft grips for increased comfort, the bike handle provides greater control and helps reduce operator fatigue.

    See it in action!
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    Multi-Function Control Handle
    Having easy access to all of the controls on one comfortable handle makes it easy to complete tasks so the operator’s hand never has to leave the handle.
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    Throttle Trigger Interlock
    Must be depressed before the trigger can be activated.
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    Air Filter Cover
    Easily removed for fast and easy filter cleaning or replacement.
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    Protected or Enclosed Control Cables
    Eliminate dangling and loose wires.
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    Heavy-Duty Steel-On-Steel Clutch
    Centrifugal clutch is designed to reduce slippage.
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    Protected Spark Plug
    Protected yet easy to change.
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    Protected Spark Arrestor Muffler
    Has large baffles which reduce noise level and contains a screen designed to reduce the emission of sparks.
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    Upright Translucent Fuel Tank
    Allows operator to easily check fuel level before starting work. Upright position makes it easier to refill.
Standard Features
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    Common Features for Trimmers
    View the features common to many STIHL trimmers.

Important Information
WARNING! Improper use of any trimmer/brushcutter can cause serious or fatal injury. Read, understand and follow all safety instructions in your instruction manual. To reduce the risk of injury from blade contact, circular saw blades may be used on FS brushcutters that have a limitstop, a bicycle handle and double shoulder harness and not on FS brushcutters with a "J" handle or loop handle. Other rigid blades may be used on FS brushcutters having a bicycle handle, a "J" handle or a loop handle equipped with a barrier bar. To reduce the risk of eye injury always wear proper eye protection. Always use the appropriate deflector for the type of cutting attachment, as explained in your instruction manual.
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
Optional Accessories
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    Gearbox Attachments
    Gearbox attachments are available for this model. View the interchangeable gearbox chart to find out which attachments work with this model.
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    Trimmer Heads & Blades
    Many trimmer heads and blades are available. Find out which ones to use with this model in this chart.  
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    Trimmer Line
    There's high-performance STIHL trimmer line for every operating condition. 
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    Deflectors
    Protect yourself from flying debris while trimming. Check out our selection of deflectors and find the one that will help protect you.
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    Straps and Harnesses
    They distribute the load from your hands to your shoulders. They also help reduce operator fatigue and make it easier to use trimmers, brushcutters and clearing saws for extended periods.
We Also Suggest
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    HP Ultra 2-Cycle Engine Oil
    HP Ultra is a fully synthetic 2-cycle engine oil specially suited for high performance chainsaws and power tools. This oil has outstanding engine cleaning characteristics, plus “ultra” superior lubricating qualities in comparison to other 2-cycle engine oils. It is ideal for use in STIHL 4-MIX® engines. This oil is biodegradable, degrading by 80% in 21 days.

    •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

    •12.8 oz. bottle makes 5 gallon mix

    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.

For Your Safety
  • STIHL® Pro Mark™  Hearing Protector Zoom
    STIHL® Pro Mark™ Hearing Protector
    Padded stainless steel spring wire headband maintains constant pressure. Easy to adjust. Noise Reduction Rating (NRR): 29. Meets ANSI S3.19-1974 standard.

    Colors available: Camouflage, Orange and Grey

Are You Ready for a STIHL?

FS 131 is rated 4.9 out of 5 by 39.
Rated 5 out of 5 by from Excellent Trimmer/Brush Cutter Plenty of power, light weight and comfortable. Great product for farming.
Date published: 2018-08-06
Rated 5 out of 5 by from The new harness rocks. I used an older version of the FS 131 for more than 40 hours in August 2017. It was equipped with a shoulder strap. It was a great machine but the strap setup of the version I was using was pretty terrible (I had had a right hip replacement in June of the same year). I just bought my own FS 131 today at my local Ace Hardware (better hours than the dedicated Stihl dealers in my area—and much closer to home). I have to say that the new harness device that comes with the current version is great. Maybe even worth the price of admission regardless of the machine’s performance. In any case, hats off to the ergonomics engineers at Stihl.
Date published: 2018-07-28
Rated 5 out of 5 by from This product is a beast. This is by far the best weed eater I’ve ever had. We recently moved to a farm with 10 acres. A lot of grass to cut and it does a great job.
Date published: 2018-07-25
Rated 5 out of 5 by from Makes short work out of a big job We bought another brand weed eater and went through two in a month. We switched to Stihl and it made short work out of a big job. Easy to operate and took a beating with days of weed eating. Best buy!
Date published: 2018-07-25
Rated 3 out of 5 by from Not what I expected from Stihl The line is constantly breaking off inside the cutting head & welding together. The gears where the head attaches gets so hot it made blisters on my fingers while trying to get the cutting head apart to thread the line back through.
Date published: 2018-07-24
Rated 5 out of 5 by from Very Powerful but light weight. Doesn't bog down even in heavy grass and weeds. I have used the brushcutter blade and string head clearing fence rows of small trees and weeds. This is a great weed trimmer for the farm. Plows through underbrush and tall weeds.
Date published: 2018-07-20
Rated 5 out of 5 by from Stihl quality really matters in the end For many years we've owned Stihl chainsaws with few complaints. Compared to other brands, Stihl was always better made.Also, for many years we've owned other manufacturer's trimmers and liked them enough to purchase another one when the two we still had finally wore out. Big mistake. This last stopped working after a 5-minute run. Nothing we did could induce it to start so we just returned the machine rather than waiting around for a repair on a brand new unit.Then we bought a Stihl FS131 R. The quality above that of a professional model from the other company was immediately evident - and it cost $40 less than that professional model. Started on the first pull and - aside from a small idle adjustment - no problems whatsoever. Huge power, and we're using it with a variety of brush cutting blades.The FS131R uses that new idiot-proof choke. Just dial in either full or partial choke and pull. You don't even have to turn the unit on (there's only an off switch, no on switch) since setting the choke does so automatically. Just set the choke, prime and pull, and blip the trigger to drop to idle. So simple and brilliant.The implement mounting design is so simple and easy compared to other trimmers that changing out a string head for a blade takes just a few minutes (correct Stihl adapter kit needed).The unit's light weight (12.1 lbs empty) was also a pleasant surprise, especially considering that powerful 36.3 cc engine. Brush cutters from other manufacturers at way lower power are far heavier.Stihl gives a 2-year warranty but increases that to 4-year if you include the purchase a 6-pack of their 50:1 oil - which we did. That's a lot better deal than other pro brush cutter manufacturers provide.Te FS131R uses a lot of gas but heck, look at the fantastic power output. We would rather have that power than a wimpy economy anyway.
Date published: 2018-07-12
Rated 5 out of 5 by from Great trimmer/ brusher Been using the older fs130s they work great however have slightly less power than the 131. Moved up to the 131 and it responds much better. Only problem I have with it is, they took away the throttle lock. Also there is a metal bracket that holds the shaft of the trimmer to the motor mecganism of the trimmer I have found this to be a week point. It used to me made of steel. Now that part is made of some alloy that is easier to break. Overall great trimmer best I've had.
Date published: 2018-07-06
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