Selection Professional Brushcutters

FS 91

Manoeuvrable brushcutter for landscape maintenance

General

For working on large areas of tough grass. A simplified start-up sequence for convenient starting, bike handle, control handle with stop button, 4-MIX® engine with larger tank for longer use, rigid drive shaft, double shoulder harness.

$599.00*

Versions

Price

*Prices are valid from the 01/12/2020 to 25/01/2021.
STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.

Product variations

  • FS 91 R Manoeuvrable brushcutter for landscape maintenance 4-MIX®-Motor and loop handle

Technical data

Technical data

Technical data Value
Displacement cm³ 28.4
Weight kg 1) 5.8
Sound power level dB(A) 2) 107
Sound pressure level with plastic tool dB(A) 2) 96
Power output kW 0.95
Tank volume ml 710
Total length cm 3) 1.800

1) Weight excluding fuel, cutting tool and guard
2) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
3) Without cutting tool

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.

Features

Standard features

  • STIHL 4-MIX Engine
    STIHL 4-MIX Engine

    You can always rely on STIHL to keep setting new benchmarks this time with 4-stroke mixed lubrication technology. The STIHL 4-MIX engine, which runs on a fuel-oil mix just like a 2-stroke, offers the benefits without the compromises of 4-stroke power. STIHL 4-MIX engine technology provides fast acceleration, more power, added torque, lower noise, reduced emissions and increased fuel efficiency to complete jobs quickly, quietly and more easily.

  • STIHL Anti-vibration system Zoom
    STIHL Anti-vibration system

    The STIHL anti-vibration system is available in a one-point version for smaller models and in an especially effective four-point version for larger machines starting with the STIHL. It reduces handle vibration for easy and comfortable operation.

  • Multi-function control handle Zoom
    Multi-function control handle

    Easy, comfortable thumb-operated control means the operator's hand never leaves the handle.

  • Ergonomic bike handle Zoom
    Ergonomic bike handle

    When used in conjunction with a harness, the bike handle enables a smooth mowing action. Ideal for working on large areas and allows the machine to be easily guided, thus reducing fatigue.

  • Bike handle adjustment
    Bike handle adjustment

    The central clamp enables the ergonomic bike handle to be easily adjusted without tools to suit the height of the user. The handle can be rotated by 90°, making it more compact for transport and storage.

  • Stop button
    Stop button

    You do not need to control the stop button when restarting. The engine can be started at any time.

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.

Standard tools

Standard tools

    • Grass Cutting Blade (2 F) Zoom
      Grass Cutting Blade (2 F)

      Two-teeth grass cutting blade has a robust high mowing capacity. High capacity in cutting sparse growth as well as hard and dry grass, fern, stinging nettles and reed.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Grass Cutting Blade (2 F) Zoom
      Grass Cutting Blade (2 F)

      Two-teeth grass cutting blade has a robust high mowing capacity. High capacity in cutting sparse growth as well as hard and dry grass, fern, stinging nettles and reed.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Grass Cutting Blade (4 F) Zoom
      Grass Cutting Blade (4 F)

      The cutting blade with four teeth is robust, for large areas, has a high cutting capacity in dense growth, such as grass and weeds.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Grass Cutting Blade (8 Z) Zoom
      Grass Cutting Blade (8 Z)

      The cutting blade with eight teeth is robust and suitable for clearing growth with low cutting resistance. High capacity in cutting sparse growth as well as hard and dry grass, fern, stinging nettles and reed.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.

Accessories

Accessories

    • FixCut Mowing Head Zoom
      FixCut Mowing Head

      An easy to use mowing head, with double line for mowing and thinning work. A new nylon line can be fitted easily by hand, without opening the mowing head.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • MotoMix Zoom
      MotoMix

      Available at participating stores. Ready-mixed fuel (50:1) for all STIHL engines, optimal performance, best cold start ability, maximum acceleration over the entire RPM range, best running characteristics even with a sudden gas change. Mixed with STIHL HP ultra premium oil for exceptional engine lubrication and extreme cleanliness, fully synthetic and biodegradable for optimal performance and long service life. User- and engine-friendly thanks to fewer emissions (free from ethanol; almost no olefins and aromatic compounds). Can be kept in storage for at least two years. Reliable top performance – STIHL engines and STIHL MotoMix are made for each other, all imaginable uses have been put through rigorous tests.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • HP Ultra 2-Stroke Engine Oil Zoom
      HP Ultra 2-Stroke Engine Oil

      Fully synthetic oil with exceptional lubrication properties. Burns with extremely low residue due to ash-free additive. Suitable for continuous use under the most demanding engine conditions. Performance class: JASO-FB, ISO-L-EGB. Fuel/oil ratio 1:50.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Heavy duty gear lubricant Zoom
      Heavy duty gear lubricant

      For the gear systems of all STIHL brushcutters and clearing saws. Prices starting from $12.25.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Clearing Saw Protective Trousers Zoom
      Clearing Saw Protective Trousers

      Robust brushcutter and work trousers with breathable impact protection, long ventilation openings on the rear and loops for FS braces. Registered as a patent, the FS leg protection for extreme work conditions can be inserted inside the leg pockets. Several practical pockets.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • FS PROTECT Hi-Vis Trousers Zoom
      FS PROTECT Hi-Vis Trousers

      Robust brushcutter and work trousers in high visibility orange for working on train tracks and streets. Robust outer fabric. With breathable impact protection, reflective strips and long ventilation openings at the rear. Registered as a patent, the FS leg protection for extreme work conditions can be inserted inside the leg pockets. With loops for FS braces. EN 471, protection class 2.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • TriProtect Clearing Saw Protective Trousers Zoom
      TriProtect Clearing Saw Protective Trousers

      Brushcutter and work trousers accessory with a triple function: impact protection, thorn and water resistance. Good breathable properties. Robust outer fabric in vintage look, high cotton content and 18% durable stretch. Ventilation zips on the back of the thighs. Two hip pockets with zip, back pocket and tape measure pocket on the right. Thigh pocket with integrated mobile phone pocket on the left. Knee protectors and leg protection (both optional) for special jobs.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Knee Protectors Zoom
      Knee Protectors

      Black, 100% polyethylene, for insertion in kneepad pockets, compatible with knee pockets of all standard trousers.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Leg Protectors Zoom
      Leg Protectors

      Suitable for MultiProtect & TriProtect trousers, 65% polyester, 35% cotton, 50cm in length, additional patented and breathable impact protection for extreme jobs.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Leather Tool Belt (Black) Zoom
      Leather Tool Belt (Black)

      Extremely robust, approx. 3 mm thick leather. Double prong buckle. Length 125 cm. Width 4 cm.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Braces Zoom
      Braces

      For all clearing saw and hedge trimmer trousers. Elasticated braces with elasticated velcro, prevents chafing from the harness. Suitable for all sizes.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Vision Safety Glasses Zoom
      Vision Safety Glasses

      Very light glasses with a sporty design. Large lenses with 100% UV protection. Scratch-resistant exterior and interior. Certified to AS/NZS 1337.1

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • ADVANCE X-SHELL Jacket Zoom
      ADVANCE X-SHELL Jacket

      Protect yourself from cold and wind when working with this warm, flexible and lightweight jacket. Highly breathable and quick-drying with waterproof hi vis orange panels and water repellant dark panels.Highly elastic, fast drying and warming. Functional zones: Black areas are water-repellent and breathable, coloured zones are waterproof and breathable, chest and inside pocket and abrasion protection on the shoulders.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • ADVANCE Ergo FS Zoom
      ADVANCE Ergo FS

      Professional protection for brush cutter and clearing saw users. Made from robust cowhide. Available in S, M, L, XL.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • Professional Helmet Kit Zoom
      Professional Helmet Kit

      Designed for use with chainsaws. Features include: Helmet with easy ratchet adjustment. Steel Mesh Multi Fit visor with smooth cam-action movement. ComfortMAX High Noise Pro (High Noise) earmuffs: 30 db(A). Lambwool headband. Kit is compatible with all STIHL Multi Fit visors.

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

    • ADVANCE X-Vent Helmet Zoom
      ADVANCE X-Vent Helmet

      Low weight helmet set with optimized balance. Ear caps in slim design. Easy head size adjustment by ratched wheel even whilst wearing. Ventilation wholes spread over the entire shell. Metal visor: Spring steel mesh, very high light penetration. Light transmittance: 75-80%. Elastic visor sealing nlong the helmet against dirt and rain. Reflective Stickers all round. Ear protect: EN 352, EN 397, EN 1731.

    Technical data Value
    Ear protection 109 dBA
    Weight 830 g
    Helmet material ABS
    Inner fittings 6-points
    Transparency 75 –80 %

    Versions

    Price

    *Prices are valid from the 01/12/2020 to 25/01/2021.
    STIHL stores are operated as independent businesses. The products described in this website may not be on display or available at each STIHL store. STIHL reserves the right to change pricing at any time without notice.

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.

Documents

Owners manuals and safety brochures

Languages Date Link
en 25/02/2020