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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.


Technical data

Displacement cc55.5
Power output kW/bhp2.8/3.8
Weight kg 1)5.6
STIHL Oilomatic saw chain pitch/type0.325"
Tank volume l500.00
Vibration level left/right m/s² 2)4.5/4.5
Power-to-weight ratio kg/kW2

Saw chain pitch

Bar Length



STIHL MS 291 Yard Boss Chainsaw

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