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A sturdy, compact chainsaw with up to 20% less fuel consumption and up to 70% fewer emissions compared to STIHL two-stroke engines of the same performance class without 2-MIX technology. Easy to guide, great handling. The ideal saw for groundskeeping. Great for cutting firewood. Side-mounted chain tensioning for safe and easy chain tensioning. Long-life air filter system for long cleaning intervals, tool-free fuel caps for safe and easy refuelling. Environmentally-friendly and economical 2-MIX engine.


Technical data

Displacement cc45.6
Power output kW/bhp2.2/3
Weight kg 1)5.2
STIHL Oilomatic saw chain pitch/type0.325
Tank volume l390.00
Vibration level left/right m/s² 2)3.9/3.9
Power-to-weight ratio kg/kW2.2
Sound pressure level dB(A) 3)103

Saw chain pitch

Bar Length



STIHL MS 251 C-BE Wood Boss Chainsaw

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