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Strong and versatile farm saw.

The STIHL MS 291 Chainsaw is a durable 2.8kW petrol chainsaw which 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.

Reduced-emission engine technology
2-stroke engine with stratified charge. A fuel-free layer of air is created between the burned charge in the combustion chamber and the fresh charge in the crankcase, reducing the amount of fuel lost during the charge cycle. This results in more power with a lower weight, up to 20% lower fuel consumption than regular 2-stroke engines and significantly reduced exhaust emissions.


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.


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.


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.

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.


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%.


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


Tool free filler caps
Special catches on the fuel and oil tanks for easy opening and locking without the need for tools.



SPECIFICATIONS

• Displacement cm³ 55.5
• Power output kW/bhp 2.8/3.8
• Power-to-weight ratio kg/kW 2
• Weight kg 1) 5.6
• Sound pressure level dB(A) 2) 103
• Sound power level dB(A) 2) 114
• Vibration values left/right m/s² 3) 4.5/4.5
• STIHL Oilomatic saw chain pitch/type .325″ RM
• STIHL Oilomatic saw chain pitch/type 3/8″