FS 90 R - $339.95 DSRP

Distributor Suggested Retail Price DSRP: $339.95


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This low exhaust emission professional trimmer features a straight shaft and versatile cutting head options.

Featuring our proven low-emission engine and a loop handle, the FS 90 R STIHL trimmer is ideal for landscape professionals. Its solid, straight driveshaft works with a variety of cutting attachments—giving you more flexibility in trimming applications.

Print Spec Sheets
FS 90 R Specifications
DISPLACEMENT 28.4 cc (1.73 cu. in.)
ENGINE POWER 0.95 kW (1.27 bhp)
WEIGHT* 5.3 kg (11.7 lbs.)
FUEL CAPACITY 530 cc (18 oz.)
*Weight without cutting attachment or deflector.
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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    Electronic Ignition Module
    The electronic ignition provides reliable starting and because it is fully enclosed, it is protected from moisture and debris for longer service life.
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    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.
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    Loop Handle (R)
    Loop handle grass trimmers and brushcutters are ideal for trimming between bushes and shrubs and other areas where space is limited.
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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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    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.
Standard Features
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    Common Features for Trimmers
    View the features common to many STIHL trimmers.

You Will Also Need
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    HP Ultra 2-Cycle Engine Oil
    No matter how you slice it (or trim it or shred it), there’s no better protection for your high performance 2-stroke engine than STIHL HP Ultra. This 2-cycle engine oil has outstanding engine cleaning characteristics, plus “ultra” lubricating qualities that’s superior to other 2-cycle engine oils. This fully synthetic oil is also highly biodegradable, degrading by 80% in 21 days. We’re so confident this oil will protect your engine, we’ll double your STIHL limited warranty* when you use it. It’s that good.

    *Double your warranty when you include 6 bottles of STIHL HP Ultra Oil or 6 cans of STIHL MotoMix® Premixed Fuel with your STIHL product purchase. Double limited warranty protection applies to STIHL gasoline-powered products purchased and registered for personal non-income producing, family and household purposes only. Other restrictions apply. See dealer for details.
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    No-Spill® Fuel Containers
    No-Spill® fuel containers advance convenience and quality in gasoline-can design by reducing emissions of hydrocarbons from evaporation, permeation and spillage. This helps protect the environment as well as saves you on fuel costs due to waste. Each container is molded from fluorinated, high molecular weight material for low permeation. The thumb-button flow control allows filling even smaller-sized tanks reducing the risk of spilling and is designed to stop the flow automatically when the tank becomes full to prevent overflowing. Built on a wide and stable base for less likelihood of upsets and equipped with child-resistant closures, all No-Spill® containers comply with both EPA and CARB requirements. With 1¼-gallon, 2 ½-gallon and 5-gallon sizes available, you’re sure to find one that fits your needs.
For Your Safety
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    Landscaper Series Gloves
    For landscapers who work extensively with their hands, the Landscaper Series Gloves from STIHL are made from strong-yet-supple deerhide leather. They provide fantastic wear properties and an excellent sense of touch and feel. The naturally soft leather provides all-day working comfort.

    Materials: Deerhide leather
    Available sizes: S, M, L, XL
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    STIHL® Basic Hearing Protector - NRR 23
    When it has the STIHL name, it’s made to work as hard as you do. Our Hearing Protectors feature a padded stainless steel spring wire headband. They help maintain constant pressure, staying firmly in place while you work. They’re also easy to adjust, so you can set the ideal fit with minimal effort.

    Meets ANSI S3.19-1974 standard. Noise Reduction Rating (NRR) of 23 dB(A).
    Available color: Grey

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.
Click to view the STIHL Limited Warranty Time Periods
Rated 4.8 out of 5 by 92 reviewers.
Rated 5 out of 5 by It's a great product This machine is the best weedeater I've ever owned. Used it today for the first time. It cut through very thick and wet grass, weeds, and vines. It was a little high priced for me but I'm very glad my wife bought it behind my back. I won't buy another brand. April 19, 2014
Rated 4 out of 5 by Trimmer head alternative I purchased this trimmer because of the name and as a owner of Stihl chain saws growing up in the logging industry Stihl was considered the best. The stock trimmer head has some issues in my opinion. When I consulted with the dealer to use a different trimmer head he stated nothing available. The trimmer head tends to allow the string to tangle within the winding spool. When this happens the string wont adjust and sometimes will break at the eyelet guides. When this happens you need a screw driver to take apart and untangle, rewind the string and reset back togeather. This takes several minutes. When the string is used up and its time to reload, it still takes time to rewind the string and reassemble for service and will require a screwdriver to remove and reinstall the string spool. I have a older trimmer that has a speed-feed 375 semi automatic trimmer head. The ease of reloading the string is accomplished in about 30 to 40 seconds. I purchased and installed a trimmer head as described and placed on the new FS 90 R. Works great. There is a center grip between the handle and the strap connecter. The grip is not stationary and rotates. This causes insecure movement when holding the trimmer for starting operations. Should be removed or a better way to secure. April 17, 2014
Rated 5 out of 5 by by far the best from a none retail company I've bought 5 of these for a company I work for to replace a echo commercial and a husqvarna over 12 years period we have replaced 28 echo's and 10 husqvarnas the echo's would not run after 1 to 2 years loose power and they are just Junk these ones from dealers and husqvarnas we sorta same luck we bought some fs 80 and fs 90 the 80s were bought in 2000 the 90 in 09 till this day only 1 90 had to have some major work after 6 to 8 hours of work all day we are talking 14 years on the fs 80 and 5 years on the 90 I have bought a 90 for my self and it was perfect till stolen by a low life just bought my 2nd 1 after 4 years with my other for my own personal use my brother swears by husqvarnas but has since 09 replaced 3 huskys go for stihl they are better than shin redmaxx and all the others don't by junk from the big box retailers it won't hold up you can by the cheaper line of stihl home user and it will be better and same affordable price I recommend the fs 90 they are amazing April 10, 2014
Rated 5 out of 5 by The Fs90r is awesome! All around a great trimmer. At my landscaping company, the Fs90r is the chosen favorite among my guys. We have 3. We generally use them for general everyday trimming, but with the brush cutter attachment it will handle just about anything. For running alot of attachments we use the km130r's, but we definitely use the 90 whenever possible! All three start on the first or second pull and run like a dream. The 4mix 4 stroke engine is a great feature. They're great on gas, powerful, quiet and durable. April 7, 2014
Rated 5 out of 5 by This is a fantastic product I recommend this to any homeowner that has a little bigger yard than most. I never had a problem starting, or with the power of the product. Very easy and comfortable to use. April 6, 2014
Rated 3 out of 5 by Valve dropped into cylinder after 2.5 years light commercial use I have a full lineup of stihl products for my landscaping business inlcuding a blower, a cut off saw, a handheld hedge trimmer, and a chainsaw.Unfortunately, I was dissapointed by the fs90r, the weak link is definately the valves(ie the part that the regular 2 strokes dont have) I was pleased with the performance until that failure. The vavle guide was pushed right through the top of the cylinder head, and that was about 2 months after having the valves adjusted. I maintain it well, and use stihl oil only. Do a google search for 4 mix dropping valves and you will see whats been happening. Will be replacing with a unit from another brand unless I hear theres been some issues worked out or if I can get the stihl FS85r 2 stroke again. March 27, 2014
Rated 5 out of 5 by This product is a work horse. I also bought a grass blade and conversion kit with this trimmer. I used it to clean up a treed lot. I did have a couple of bolts work free, but not a big problem. It came with the tools needed. We have had this home for over 25 years, It is cleaner now then it has been in a long time. The FS90R is a great product. March 21, 2014
Rated 5 out of 5 by Excellent machine! Best trimmer I ever had, plenty of torque, very easy to start, 1-2 pulls always. Haven't touched it except normal maintenance in 4 yrs, wouldn't have anything else! March 17, 2014
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