MS 251

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  STIHL ANTI-VIBRATION SYSTEM

  FOR MORE PLEASANT WORK. Vibrations can occur when you put your power tools through their paces, and these are particularly noticeable in the grip area. The buffer and spring elements of the STIHL anti-vibration system reduce the transmission of engine vibrations to the handle area and therefore to your body. The result is that your power tool is more comfortable to hold and your work is much less tiring.

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  COMPENSATOR

  REDUCED MAINTENANCE. The compensator is a control system in the carburettor, which uses pressure compensation to ensure that engine performance, exhaust gas quality and fuel consumption remain virtually constant over a long period of time, despite increasing contamination of the air filter. You do not need to clean the air filter until there is a noticeable drop in performance. This means that you can work for a long time without maintenance.

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  LONG-LIFE AIR FILTER SYSTEM FOR CHAINSAWS

  EXTENDED FILTER SERVICE LIFE. Pre-separation routing removes coarse, larger particles from the airstream before they can reach the actual filter. The HD2 filter keeps even fine dust away from the engine, ensuring a long engine service life, long cleaning intervals and easy maintenance of your chainsaw. When we refer to a long-life air filter system in chainsaws, this exclusively describes models that have pre-separation routing and an HD2 filter. With this system, you benefit from a significantly longer filter service life compared to conventional air filter systems.

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  SIDE-MOUNTED CHAIN TENSIONING

  FOR SIMPLE AND SECURE RE-TENSIONING. Side-mounted chain tensioning allows for protected, easy and quick chain tensioning and replacement. The tensioning screw is inserted laterally through the sprocket cover.

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  STIHL Ematic System

  Compared to conventional bars without Ematic, the STIHL Ematic system reduces the consumption of chain lubricant by up to 50 %, depending on the type of wood and the cutting attachment used. This system comprises a STIHL Ematic or Ematic S guide bar, a STIHL Oilomatic saw chain and a variable-flow or reduced-flow oil pump. As a result, virtually every drop of chain lubricant is delivered to exactly the right spot.

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  Single-lever master control

  All important functions such as start, choke, throttle and stop are operated via a single lever.

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  Tool free fuel caps

  Special caps to open and close the tank cap quickly, easily and without tools.

Additional features

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  Long-life air filter system with air routing

  Compared with conventional air filter systems, the service life of the filter is significantly increased.

We present some Product Technology features in product technology .

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    Filing kit

    Includes file holder with round file, flat file and file gauge in a sturdy case.

  Versions

  • Filing kit for.325"
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    2-in-1 file holder

    Practical tool for quickly sharpening the teeth and depth gauge in a single step. Ideal for occasional users. For 1/4" P, 3/8" P, .325", 3/8" and .404" saw chains, integrated file tolerance compensation (only from STIHL).

  Versions

  • 2-in-1 file holder, .325" ø 4.8 mm
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    HP two-stroke engine oil

    The mineral-oil-based STIHL HP 2-stroke engine oil has been specially developed for the demanding requirements of power tools. Its good lubrication and combustion properties ensure that you achieve good performance from your power tool with STIHL HP 2-stroke engine oil.

    STIHL 2-stroke engine oil is available in the following sizes:

    • 100 ml for 5 litres (item no.: 07813198401)
    • 1 litre for 50 litres (item no.: 07813198410)
    • 1 litre for 50 litres as a dosing bottle (item no.: 07813198411)
    • 5 litres for 250 litres (item no.: 07813198433)
    • 10 litres for 500 litres (item no.: 07813198434)

    Further information:

    • Performance classes: JASO-FD, ISO-L-EGD
    • Mixing ratio: 1:50

    For additional containers, please contact your local STIHL dealer.

  Versions

  • HP two-stroke oil, 100 ml
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    SynthPlus chain oil

    Semi synthetic high performance lubricant is made from high grade base oils (refined oils) which prevents resinification during prolonged downtimes. Outstanding protection against wear.

  Versions

  • SynthPlus chain oil, 1 l
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    FUNCTION chainsaw boots

    Entry level model made of high quality full grain leather, with high grip soles and breathable textile lining. Also protects against moisture, wear and abrasion. Protection according to EN 17249, protection class 1 (=^20 m/s) and EN 20345 S2.

  Technical data	Value
  Leg height	20 cm
  Weight 1)	1,9 kg
  Cut protection class	Class 1
  Size	39 - 47

  1) Approx per pair, using size 42
  

  Versions

  • FUNCTION chainsaw boots, size 42 / 8
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