KM 90 R - $329.95 DSRP


Distributor Suggested Retail Price KM 90 R DSRP:  $329.95

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This professional-grade KombiMotor features a powerful, low-emission engine and 15% more engine power than the KM 56 RC-E.

A professional unit with a smaller displacement low emissions engine than the KM 110 R and KM 130 R. Choose from 13 easy-to-switch attachments to get the job done right.

Print Spec Sheets
KM 90 R Specifications
DISPLACEMENT 28.4 cc (1.73 cu. in.)
ENGINE POWER 0.95 kW (1.27 bhp)
WEIGHT 4.5 kg (9.9 lbs.)
FUEL CAPACITY 530 cc (18.0 oz.)
POWER SOURCE Gas
Weights shown are for powerheads only.
Model Features
  • Zoom
    14 optional attachments available 
    Create a custom yard care system with up to 14 optional attachments – trim, edge, cultivate, prune, clean up and more!
  • Zoom
    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

  • Zoom
    Loop Handle
    The loop handle (R) is an adjustable rounded handle mounted on the shaft for support and control. The handle is designed to help control the machine in different positions, ideal for reaching tough spots. The handle is large enough to accommodate a gloved hand comfortably.
  • Zoom
    Quick-Release Coupling
    The quick-release coupling system makes it easy to switch between Kombi attachments. In addition, this feature allows KombiSystem equipment to be dismantled into two parts for easy transport and storage and then re-assembled quickly without tools.

    See it in action!
  • Zoom
    Split Shaft
    A split shaft and special toolless quick-release coupling lets you easily switch between attachments, making the KombiSystem highly versatile as well as easy to transport and store.
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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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    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
    A small fuel pump delivers fuel to the carburetor when pushed, reducing the number of starting strokes required following extended breaks in operation.
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    Multi-Function Control Handle
    Having easy access to all of the controls on one comfortable handle help makes it easier to complete tasks so the operator’s hand never has to leave the handle.

Important Information
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
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    •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
  • GSX Glasses Zoom
    GSX Glasses
    STIHL GSX Protective Glasses feature adjustable temples allowing a customized fit and a soft nose pad that offers comfort that lasts all day. Polycarbonate glasses with impact-resistant lens provide 99% UV protection.
  • STIHL HomeScaper Series™ Gloves Zoom
    STIHL HomeScaper Series™ Gloves
    Innovative keyed thumb stitching for super comfort and gripping ability. Sizes available S, M, L, XL.
  • Tune Up Zoom
    Tune Up
    Hearing protectors with AM/FM tuner and MP3 capable. 

Are you ready for a STIHL?

KM 90 R is rated 4.9 out of 5 by 85.
Rated 5 out of 5 by from Got one 4 years ago... I'm not the best owner, not the worst. I take care of my KM90 by minimum standards. After every winter, this badboy starts no problem in the spring. I have the weed eater and blower attachments. Absolutely love it! Easy to use, gets the job done on my one acre property. Never used Stihl before this but I'm a believer now. Next purchase will be the pruning attachment, AKA 'chainsaw at the end of a big stick'. Can't wait to have a little fun out there >:-)
Date published: 2017-03-05
Rated 5 out of 5 by from Great Machine Great Machine. I have used the tiller attachment in the garden and it is awesome.
Date published: 2017-03-02
Rated 5 out of 5 by from Really great tool all around!!! I bought my KM 90 with a Power Scythe and the combination of those two things can cut through a lot of material, leaving a clean cut. The powerhead is easy to start and lightweight for the power and torque it puts out. I'm excited to try out other attachments!!
Date published: 2016-12-04
Rated 5 out of 5 by from This thing is a beast! Quit buying other junk! Starts fast and easy and has plenty of power! Don't have a bad thing to say about it! I am sold on Stihl products and have now purchased a chainsaw and a leaf blower!!! Will be getting the brush knife kit!!! Love Stihl!!!
Date published: 2016-12-03
Rated 4 out of 5 by from Good overall This product is great if you are a one man show. Obviously can use only one attachment so not great if you like to share the work. I have had for just over a year and it has worked well, biggest issue was the bolt to attach and un-attach got stripped.
Date published: 2016-11-08
Rated 5 out of 5 by from Makes lawncare as EZ as 123 When you got the correct tool it makes the job easy. This is the first Stihl product I have owned and as long as it continues to prove itself, it won't be the last. I bought the blower attachment, straight shaft trimmer, and straight shaft edger. When I got this thing home and snapped in the edger I was sold. The power behind the blade made it so easy to edge that I had to pick up my pace to keep with it. Before I knew it I was in the neighbors' yard. I equally love the rest of the attachments. The KM 90R even gets used with the blower attachment to dry my Crewmax Tundra after washing. With summer temperatures over 100 degrees and high humidity, this tool gets the job done much quicker. Also, it makes lawncare a lot funner and more enjoyable.
Date published: 2016-11-05
Rated 5 out of 5 by from Great Product If you are in the market for a great multi tool this is it. I have several attachments , pole saw, brush cutter, hedge trimmer, and edger. It does it all, and is great on fuel and is really easy to start. Highly recommend
Date published: 2016-10-29
Rated 5 out of 5 by from Nice unit with many available attachments I very much like the km90r. starts quick and easy and has plenty of power. My only gripe is the price of the km90r+Line head trimmer attachment over the fs90r when the only real difference that I can see is the split shaft. With that said I would still recommend the km90r to anyone wanting to frequently change out attachments.
Date published: 2016-10-17
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