FS 131 R

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A professional loop-handle trimmer that delivers incredible performance, long run times and a simplified starting procedure.

Product Description

Dense, thick weeds can’t stand up to the professional power of the STIHL FS 131 R trimmer. It features a low exhaust emission engine and a larger fuel tank that delivers 30% longer run times when compared to previous models. This professional trimmer also features simplified starting enabled by the semi-automatic choke lever and one-touch stopping to reduce the hassle of restarts. Its rubberized loop handle provides a comfortable grip of product. Add this tough trimmer to your fleet today.

Model Features

  • 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

  • Built in the USA
    Indicates products that are built in the United States from domestic and foreign parts and components.

    More information

  • 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).
  • 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.
  • 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.
  • 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.
  • Purge Pump Primer
    By pressing the bulb, this small fuel pump delivers fuel to the carburetor, reducing the number of starting pulls needed after an extended break between uses.
  • 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.
  • Upright Translucent Fuel Tank
    Allows operator to easily check fuel level before starting work. Upright position makes it easier to refill.
  • Protected Spark Arrestor Muffler
    Has large baffles which reduce noise level and contains a screen designed to reduce the emission of sparks.
  • Protected Spark Plug
    Protected yet easy to change.
  • 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!
  • Heavy-Duty Steel-On-Steel Clutch
    Centrifugal clutch is designed to reduce slippage.
  • Protected or Enclosed Control Cables
    Eliminate dangling and loose wires.
  • Air Filter Cover
    Easily removed for fast and easy filter cleaning or replacement.
  • Throttle Trigger Interlock
    Must be depressed before the trigger can be activated.
  • Protected Choke Lever/Knob
    Helps prevent damage.
  • High Tech Polymer Housing
    Housings are lightweight, withstand greater impact and are corrosion-resistant.
  • Fully Lined Drive Shaft
    Provides smooth operation and less vibration.
  • Adjustable Front Handle
    Adjusts for comfort.

Specifications

DISPLACEMENT
36.3 cc (2.2 cu. in.)
ENGINE POWER
1.4 kW (1.9 bhp)
WEIGHT*
5.5 kg (12.1 lbs.)
FUEL CAPACITY
710 cc (24.0 oz.)
CUTTING SWATH
16.5"
POWER SOURCE
Gas
*Without deflector or cutting attachment.

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 engine products with the Caring for Nature logo are cleaner than EPA Standards for exhaust emissions.

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.

Reviews

FS 131 R is rated 4.4 out of 5 by 67.
Rated 1 out of 5 by from very poor product Runs like crap. Dealer service is a joke. Manual lacks important information.
Date published: 2019-10-21
Rated 5 out of 5 by from Good product, plenty of power Starts easy, good for small brush and vines, line trimmer easily go threw the heaviest grass
Date published: 2019-10-17
Rated 5 out of 5 by from Life saver This machine will save you time if you have tuff weeds to remove. Start it up and watch the weeds fly!
Date published: 2019-09-10
Rated 3 out of 5 by from Rev limiter creates performance quality problem. This is my second new Stihl trimmer. I will not buy another one. 1st one fs100r isn’t blade cutter compatible, my bad thinking is was durable enough. 2nd one fs131r has a rev limiter that creates a performance problem at top end. Not happy spending hard earned money on each unit. Never again stihl, I bought my last trimmer of yours.
Date published: 2019-09-03
Rated 5 out of 5 by from Powerful I bought for trimming heavy weeds around the pond and other problem spots on the acreage. It did better than expected and when I added a three point blade it cut through heavy weeds and woody brush like hot butter. I'm very satisfied.
Date published: 2019-09-02
Rated 5 out of 5 by from Professional Grade Tools I have owned this trimmer for over a year and it has operated flawlessly.
Date published: 2019-08-06
Rated 4 out of 5 by from Stihl 131R has performed so far Have only used for two weeks. So far very pleased. Little heavy but made up for in power.
Date published: 2019-07-23
Rated 4 out of 5 by from Hard To Adjust Carburetor For Higher Altitudes I bought this model (instead of a FS-111R) because I intended to use it at higher altitudes (i.e. 8,000 feet above sea level) and wanted to make sure that I would have enough power. I have not been able to adjust the carburetor at high RPM's to run at full throttle without the governor "kicking" in . My dealer is at 5,000 feet above sea level, so this is a problem that the dealer can't help me with.Other than this particular problem, the unit works great. Lots of power and easy to start. I haven't had the unit long enough to give an opinion on the reliability of the unit.
Date published: 2019-07-22
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Optional Accessories

  • Gearbox Attachments
    Gearbox attachments are available for this model. View the interchangeable gearbox chart to find out which attachments work with this model.
  • 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.
  • Trimmer Line
    There's high-performance STIHL trimmer line for every operating condition. 
  • Trimmer Heads & Blades
    Many trimmer heads and blades are available. Find out which ones to use with this model in this chart.  

Standard Features

  • Common Features for Trimmers
    View the features common to many STIHL trimmers.

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Support

Read what our customers say about STIHL Trimmers
How to Wind a STIHL Trimmer Head - Video
Cutting Heads & Blades Selection Chart (PDF)
FS 131 R Instruction Manual (PDF)
Download Instructions on How to Rewind Your Trimmer Head (PDF)
Product Safety Manual (PDF)
STIHL Limited Warranty
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