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MS 291 Petrol Chainsaw
Versatile chainsaw for agriculture and farming
Durable 2.8kW petrol chainsaw is a practical all-rounder for farmers, landscapers and gardeners. With the economical 2-MIX engine, fuel consumption is reduced by up to 20% and emissions are cut by up to 50%. Featuring STIHL's long-life air filter system with pre-separation and professional anti-vibration technology, the MS 291 sets a new standard for this type of saw.
Extend your domestic warranty from 2 to 3 years with the purchase of 5 litres of STIHL MotoMix® fuel and this product. Your STIHL Approved Dealer will register your extended warranty on the STIHL warranty database at point of purchase.
Instruction is necessary to recognize or assess the dangers of a chainsaw. Please wear protective clothing and equipment.
If anything is unclear, we recommend to order the chainsaw via Click & Collect and pickup up the chainsaw from a STIHL servicing dealer.
You can find videos showing you how to fill your machine with fuel and oil, fit bars and chains and start your chainsaw here.
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Technical data↓
Technical data Value Displacement cm³ 55.5 Power output kW/bhp 2.8/3.8 Weight kg 1) 5.6 System weight kg 2) 6.64 / 6.64 / 6.87 Power-to-weight ratio kg/kW 2 Sound pressure level dB(A) 3) 103 Sound power level dB(A) 3) 116 Vibration values left/right m/s² 4) 4.5/4.5 STIHL Oilomatic saw chain pitch/type .325" RM Oil pump Not adjustable Tank volume l 0.50 Chain pitch .325",.325" Chain tensioning Lateral chain tension Sprocket - number of teeth 7 Z Filter Long-term filter system (pre-separation) / cartridge filter Bumper spike Steel claw Cylinder Chrome Oil tank volume cm3 240 Sprocket Profile chain row Anti vibration system AV + steel spring Filler cap WTV tool-free tank cap EPA Certified fuel consumption l/h 1,458 CO2 g/kWh 939 Handle type Standard grip Speed at maximum power Um 9,500 EPA Certified fuel consumption glh 0,385 1) Without fuel, without bar and chain
2) Unfueled, with guide bar and saw chain
3) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
4) K-factor according to DIR 2006/42/EC = 2m / s ²
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Features↓
Standard features
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Advanced combustion technology
Four overflow channels swirl the fuel-air mix before ignition, allowing for optimum combustion and highly efficient performance. The result is lower fuel consumption and high torque across a broad rpm range.
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Anti-vibration system
Intense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine's engine are dampened which significantly reduces vibrations at the handles.
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Pre-separation air filtration system
STIHL long-life air filtration systems with pre-separation achieve perceptibly longer filter life compared with conventional filter systems. Air drawn in is swirled. The larger, heavier particles are ejected. The pre-cleaned air is routed to the air filter via the pre-separator duct.
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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.
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Single-lever master control
All important functions such as start, choke, throttle and stop are operated via a single lever.
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Side chain tensioner
The tensioning screw can be found on the side of the chain saw through the sprocket cover. This removes the need for contact with the sharp saw chain.
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Ematic chain lubrication 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 by up to 50%.
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Tool free filler caps
Special catches on the fuel and oil tanks for easy opening and locking without the need for tools.
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Cutting Attachments↓
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Rollomatic E
The body of made of 3 eletrically-welded metal plates, the middle plate is extensively hollowed out. Low weight, high stability, available with small or large bar nose.
Versions Price Rollomatic E, .325", 1.6 mm, 40 cm / 16" (MS 291 only) £49.90* Save and compare Save and compare -
Rollomatic E
The body of made of 3 eletrically-welded metal plates, the middle plate is extensively hollowed out. Low weight, high stability, available with small or large bar nose.
Versions Price Rollomatic E, .325", 1.6 mm, 45 cm / 18" (MS 291 only) £57.00* Save and compare Save and compare -
Rapid Micro (RM)
Good all-round comfort chain with low vibration levels, smooth cutting behaviour and low chatter.
Versions Price Rapid Micro (RM) .325", 1.6 mm, 67 drive links, 40 cm / 16" £35.40* Save and compare Save and compare -
Rapid Micro (RM)
Good all-round comfort chain with low vibration levels, smooth cutting behaviour and low chatter.
Versions Price Rapid Micro (RM) .325", 1.6 mm, 74 drive links, 45 cm / 18" £38.60* Save and compare Save and compare
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Accessories↓
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HP Super 2-stroke engine oil
Semi-synthetic oil with low-ash additives for clean low-smoke burning. 'Low-smoke oil' performance class: JASO-FD, ISO-L-EGD. Fuel/oil ratio: 50:1. Particularly recommended for STIHL 4-MIX engines. Recommended for STIHL 4-MIX engines.
Versions Price HP Super 2-stroke engine oil - 1 l (for 50 l) metering bottle £17.40* Save and compare Save and compare -
MotoMix
STIHL MotoMix is our patented premixed fuel, specially blended for ultimate performance. This 50:1 ready-mixed fuel is a combination of premium non-ethanol, high-octane motor fuel for all STIHL 2-stroke engines which gives you optimum performance, excellent cold start properties, maximum acceleration over the entire rpm range and perfect running characteristics even with a sudden rev change. 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 up to five years. Reliable top performance – STIHL 2-stroke engines and STIHL MotoMix are made for each other; all conceivable applications have been put through rigorous testing.
Find out more about our MotoMix promotion here.
Patent EP 2031043
Octane number RON >95 Octane rating MOZ 93 Aromatic content % Vol. 0.1 Benzene content % Vol. 0.03 Sulphur content mg/kg 3 Shelf life Years up to 5 Density at 15°C kg/m3 690 Olefin content % Vol. 0.1 Vapour pressure at 40 °C kPA 61 Two-stroke oil content % Vol. 1.8 Versions Price MotoMix 5 l £20.00* Save and compare Save and compare -
Metal sawhorse
Robust design. Chain with spring tensioning secures the trunk for cutting, max. load 100 kg.
Versions Price Metal sawhorse £96.50* Save and compare Save and compare -
Chainsaw bag
Made from sturdy nylon. For safe storage and transport of all chainsaws with bar lengths up to 45 cm / 18". With small additional pocket for accessories.
Versions Price Carry bag for chainsaws £38.40* Save and compare Save and compare -
2-in-1 EasyFile
Practical tool for quickly sharpening the teeth and depth gauge in a single action, significantly reducing chain maintenance time. The sturdy frame allows for a smooth filing action with highly accurate results. All the files are easily replaceable. For 1/4" P, 3/8" P, .325", 3/8" and .404" saw chains. Includes round and flat files.
To find out how to sharpen your chain and depth gauge with the EasyFile, click here.
Versions Price 2-in-1 file holder, .325" ø 4.8 mm £46.00* Save and compare Save and compare -
BioPlus chain oil
Particularly eco-friendly with outstanding lubrication and adhesive properties. STIHL BioPlus is derived from plants and completely decomposes in the ground within a short space of time (tested according to OECD 301 B). It has been awarded the German 'Blue Angel' ecology mark and the European Eco-Label.
Versions Price BioPlus chain oil - 5 l £39.50* Save and compare Save and compare
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Documents↓
Owners manuals
* Manufacturer's recommended retail price updated as of January 2022. The manufacturer's recommended retail prices are subject to change 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.