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Safety Instructions

STIHL MS 251 Wood Boss® Chainsaw

The compact design of the robust STIHL MS 251 petrol chainsaw makes it ideal for work in domestic settings and by skilled trades. This chainsaw is particularly well-suited to harvesting firewood in the forest. The STIHL MS 251 petrol chainsaw impresses with its high cutting performance and durable STIHL .325 RM3 saw chain. Even thick tree trunks can be effectively felled and processed with the optional 40 cm bar.

The MS 251 petrol chainsaw has a STIHL 2-MIX engine with 2.2 kW (3.0 hp). Single-lever control enables you to perform essential functions with one hand, such as starting and stopping this power tool. As a result, you can operate the chainsaw comfortably and safely, as your right hand can always remain on the handle. To protect your joints and muscles, the STIHL anti-vibration system reduces engine and power tool vibrations.

So that you can work as effectively as possible, this STIHL 251 chainsaw has additional features such as a tool-free fuel cap and pre-separation routing, which keeps coarse particles away from the filter. To additionally protect the engine from fine dust, you can also retrofit this petrol chainsaw with an HD2 air filter, meaning that your STIHL MS 251 will benefit from a long-life air filter system.

  • Heavy-duty petrol chainsaw for harvesting firewood in forests
  • For domestic users and tradespeople
  • Durable .325” cutting attachment
  • Side-mounted chain tensioning
  • MS 251


    The pictures shown are sample photos. The actual appearance of the equipment features and their specific attachment to the product may differ from the pictorial representations, but will have the same functionality.

    Speed regulator
    Longlife filter system with pre-separation
    Anti-vibration system

    Technical details

    Bar length45 cm
    Bar length18 in
    Displacement45.6 cm³
    Displacement2.78 cu-in
    Engine power2.2 kW

    Service & tips