15/16/18" Bar Supplied - 50.2 CM3 Displacement - 3.5BHP
High performance mid-range option for the demanding farmer, gardener or landscaper. Versatile, durable 2.6kW petrol chainsaw. Economical 2-MIX engine cuts fuel consumption by up to 20% and emissions by up to 50% compared to conventional two-stroke engines. The MS 271 features STIHL's long-life air filter system with pre-separation and professional anti-vibration technology.
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.
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.
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.
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.
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.
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%.
Tool free filler caps
Special catches on the fuel and oil tanks for easy opening and locking without the need for tools.
Technical data Value Displacement cm³ 50.2 Power output kW/bhp 2.6/3.5 Weight kg 1) 5.6 Power-to-weight ratio kg/kW 2.2 CO2 g/kWh 826 Sound pressure level dB(A) 2) 103 Sound power level dB(A) 2) 115 Vibration values left/right m/s² 3) 4.5/4.5 Tank volume l 0.50 Speed at maximum power Um 9.500 Bumper spike Steel claw Sprocket - number of teeth 7 Z Cylinder Chrome Oil pump Not adjustable Filter Long-term filter system (pre-separation) / cartridge filter hd2 Sprocket Profile sprocket Chain tensioning Lateral chain tension Anti vibration system Steel spring Handle type Standard grip Filler cap Tool-free filler cap Chain pitch .325" EPA Certified fuel consumption glh 0.375 EPA Certified fuel consumption l/h 1.418 Oil tank volume cm3 240
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