MS 291

STIHL MS 291 Yard Boss® Chainsaw

Powerful, robust chainsaw for all-round use, with up to 20% less fuel consumption and up to 50% fewer emissions compared to STIHL two-stroke engines of the same performance class without 2-MIX technology. Easy to maintain and service. Long-life air filter system with air routing, one piece engine cover. Great for cutting firewood. Environmentally-friendly and economical 2-MIX engine.

Versions Price
Petrol Chainsaw - MS 291- 45cm/18'' $999.00 *
  • Technical data
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    Standard chain RAPID-MICRO
    Displacement cc 55.5
    Power output kW/bhp 2.8/3.8
    Weight kg 1) 5.6
    STIHL Oilomatic saw chain pitch/type 0.325"
    Tank volume l 500.00
    Vibration level left/right m/s² 2) 4.5/4.5
    Power-to-weight ratio kg/kW 2
    Saw chain pitch .325"

    1) Without fuel, without bar and chain
    2) K-factor according to DIR 2006/42/EC = 2m / s ²

  • Features
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    Standard features

    • Pre-separation air filtration system

      The innovative long-life air filter system greatly extends the service life of the filter. Air routing removes larger particles of dirt, meaning the actual filter has less to do. So the saw can be used for longer without having to clean the filter.

    • Advanced combustion technology

      Four overflow channels swirl the fuel-air mix before ignition, allowing for optimum combustion and highly efficient performance. The result: lower consumption and high torque across a broad rpm range.

    • STIHL anti-vibration system

      Intense vibration at the handles of power tools can lead to longer-term effects of blood vessels in the hands and arms. STIHL have therefore developed an effective anti-vibration system where by the oscillations from the machines engine are dampened which significantly reduces vibrations at the handles.

    • Compensator

      This controller in the carburettor prevents the fuel-air mixture getting richer as the air filter becomes clogged. The correct quantity of fuel is delivered to the carburettor depending on the quantity of air passing through the air filter. This keeps the fuel/air ratio in the combustion mixture constant and hence also the engine power. The filter doesn't need to be cleaned until an appreciable drop in power occurs.

    • Single-lever master control

      All important functions such as start, choke, throttle and stop are operated via a single lever.

    • STIHL Ematic-System

      The Ematic chain lubrication system ensures pinpoint lubrication of the saw chain links and guide bar rails. When used with STIHL OILOMATIC saw chain, it will provide maximum lubrication, longer wear and less oil consumption than conventional methods of chain lubrication. The Ematic system can reduce bar oil consumption up to 50%.

    Additional features

    • HD2-Filter

      This air filter keeps even the finest dust away from the engine, ensuring a particularly long service life. Thanks to special material, the filter can be washed clean, for example with STIHL Variocleanand warm water.

  • Accessories
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    • STIHL Moisture Meter

      The STIHL moisture meter is lightweight and easily fits in your pocket. It has an easy to read screen with a wristband for safe holding. A simple on-off button and a removable sensor cover.

      Versions Price
      STIHL Moisture Meter $34.95 * Save and compare
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    • Rapid Micro (RM), .325"

      Comfort saw chain with low vibration, soft cutting behaviour and low chatter.

      Versions Price
      .325" Rapid Micro (RM), 1,6 mm, 45 cm --.--** Save and compare
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    • Rollomatic E, .325", 11 Z

      High-quality standard with excellent cutting and piercing power. Primary Use: Ideal for universal applications in forestry and agriculture, and for occasional users. Rail body: Three-welded metal plates. The middle is cut out over a large area. This high stability at very favorable weight. Saw chain runs over exchangeable, robust bearing sprocket with 11 teeth, which must not be lubricated.

      Versions Price
      Length 45 cm / 18" --.--** Save and compare
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    • Filing Kit

      The complete Kit for saw chain maintenance.

      Versions Price
      File Kit - 1/4P $42.30 * Save and compare
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    • Chain saw Case

      Made of durable plastic. For safe storage and transportation of petrol and electric chain saw models: MS 170, 171, 181, 201 T, 192 C-E, 211, 230, 231, 251, 240 C-M, 250, 261, 362, MSE 140, 180, (not MSE-C versions). Not suitable for MS 441.

      Versions Price
      Chainsaw Case - Woodsmen $84.00 * Save and compare
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    • Guide bar leveler

      Tool for removing burrs from the guide bar. Ergonomically shaped plastic holder with flat file made of hardened tool steel.

      Versions Price
      Guide Bar Dresser $51.90 * Save and compare
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    • Filing Vice - L 700

      Large and robust design. Can be easily driven into the wood.

      Versions Price
      Stump Vice - L 700 - Large $51.90 * Save and compare
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    • Filing Vice - S 260

      Lightweight and convenient design. Easy to drive into the wood and fix the guide bar. Includes practical belt bag.

      Versions Price
      Stump Vice - S 260 - Small $37.30 * Save and compare
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    • Multispray

      Multi function spray that cleans a number of tools and leaves a protective film that does not harden on the surface and thereby protects against corrosion. Rotating parts are lubricated. An essential all-rounder for every workshop. 400ml spray can.

      Versions Price
      Multispray - 400ml --.--** Save and compare
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    • Special cleaner

      Water based, alkaline detergent specifically for dissolving and removing organic oil residues and for cleaning air filters and housings. The detergent is biodegradable. Avoid contact with the eyes and keep out of reach of children.

      Versions Price
      VarioClean - 500ml --.--** Save and compare
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  • Product variations
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Prices valid from 1/11/18 to 31/12/18.
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.