FS 131

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

Product Description

Landscaping professionals looking for a simplified and convenient trimming solution will love the STIHL FS 131 trimmer. With its low-emission, 36.3 cc engine and a larger fuel tank than the previous model, the FS 131 delivers 30% longer run times. Its bike-handle design includes rubberized grips for enhanced grasp and comfort. The trimmer also features one touch stop and an easy, three-step starting procedure enabled by the semi-automatic choke lever. All of that, plus an improved air filtration and STIHL exclusive IntelliCarb™ technology. The cherry on top? The solid steel drive shaft accepts a wide range of heavy-duty cutting heads, including metal blades.

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).
  • 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!
  • 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.
  • 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°.
  • 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.

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.

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.

Reviews

FS 131 is rated 4.7 out of 5 by 71.
Rated 5 out of 5 by from Versitial, dependable, and powerful I have a large property in MN and have burn thru weed trimmer after trimmer. I decided I need a higher quality trimmer, so I chose this one because it trims grass, brush, small trees, and cuts even up to a 6 inch tree. I have different blades or trimmer head for the various activities. We are clearing our lot of buck thorn and other invasive plants and this tool is the best! Highly recommend.
Date published: 2019-09-12
Rated 5 out of 5 by from Great tool Trims heavy farm weeds like most trimmers do grass, plenty of power and I'am able to walk and carry it for several hours with out any fatige. I'm 63 years old so that says alot about the machine.
Date published: 2019-09-10
Rated 5 out of 5 by from just a beast! Bought this a few weeks ago for around my land and wow, cuts through tall grass really anything you throw at it, all around great machine don't hesitate to get one!
Date published: 2019-09-09
Rated 5 out of 5 by from Dont think just buy!!! This is a very smooth running trimmer, easy on the back!!! Harness makes trimming a breeze. I only use Tru-fuel in my trimmer and never ever have starting issues.
Date published: 2019-08-24
Rated 5 out of 5 by from Everything I Expected I am very pleased with this purchase. I have used it several times since I purchased it and have used it hard and it stands up to everything I put in front of it.It is very easy to start after storage, it is balanced quite well hanging from my shoulder and the noise level is acceptable for the amount of power it has in the motor.It is amazing how easily it cuts through Buck Thorn trees over an inch in diameter and how quickly it handles other brush, too. I have only used this with the brush cutter blades. I have not used the string trimmer head.
Date published: 2019-08-21
Rated 5 out of 5 by from power, and adaptable I like the power this thing has. What I expected for trail cutting and pond trimming
Date published: 2019-08-16
Rated 4 out of 5 by from So far so good I have only had this trimmer for two weeks. But it has been great so far. Can’t wait to get an attachment to tackle the heavy stuff!
Date published: 2019-08-12
Rated 5 out of 5 by from This won the battle of the Bermuda grass! My home is in rural Texas and all of our properties have septic tank systems. With lots of rain, Bermuda grass grows like an elevator with individual stalks that are as big as a finger in diameter! That grass defeated many high Dollar trimmers and I actually gave away a cart load of excellent trimmers that failed to make the grade. My local dealer hooked me up with the optional cutting head that uses plastic/nylon cutters and one strand of .095 line for the FS 131 trimmer. This has a solid drive shaft and I have broken flexible shafts by driving blades on other brands. This machine DEMOLISHED that Bermuda grass and I'm still using the original cutter blades. The trimmer is easy to start if you follow directions, the harness supplied works perfectly and fuel consumption is moderate. I can trim at fairly low engine speed and it has a very smooth idle. Was it worth the extra money to get a Commercial grade unit? Absolutely!
Date published: 2019-08-09
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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 Instruction Manual (PDF)
Download Instructions on How to Rewind Your Trimmer Head (PDF)
Product Safety Manual (PDF)
STIHL Limited Warranty
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