STIHL MS 391 Farm Boss® Chainsaw
Easy-to-manage, high-torque chainsaw for improved performance and user comfort when harvesting wood and sawing firewood. Extremely high torque over a wide range of speeds. Up to 20% less fuel consumption and up to 50% reduction in emissions compared to a STIHL 2-stroke engine of the same power output without 2-MIX technology. With controlled-delivery oil pump.
Specifications
Displacement (cc) - 64.1
Power Output (kW/hp) - 3.3/4.5
Weight (kg) - 6.2*
Bar Length (cm/inch) - 50/20
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 use
Decompression valve:
The decompression valve is part of the easy start-system. The valve should be pressed before starting in order to reduce the compression pressure when starting, as well as the effort needed to pull th
Controlled-delivery oil pump::
The exact chain oil output can be adjusted maunally for varying conditions, allowing for a reduction of up to 50%.
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.
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