MS 251

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  STIHL 2-MIX Engine

  The new 2-MIX engine features an advanced stratified charge system that boosts power, whilst reducing consumption and pollution, significantly lowering unburned hydrocarbons in the exhaust. The result is a cleaner, more fuel efficient engine.

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  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 used for longer without having to clean the filter.

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  Anti-vibration system

  Intense vibration at the handles of power tools can lead to longer-term effects of blood vessels in the hands and arms. STIHL have therefore developed an effective anti-vibration system where by the oscillations from the machines engine are dampened which significantly reduces vibrations at the handles.

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  Tool free filler caps

  Special caps on the fuel and oil tanks are designed for easy opening and locking without the need for tools.

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  Compensator

  This controller in the carburettor prevents the fuel-air mixture getting richer as the air filter becomes clogged. The correct quantity of fuel is delivered to the carburettor depending on the quantity of air passing through the air filter. This keeps the fuel/air ratio in the combustion mixture constant and hence also the engine power. The filter doesn't need to be cleaned until an appreciable drop in power occurs.

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  STIHL Ematic-System

  The Ematic chain lubrication system ensures pinpoint lubrication of the saw chain links and guide bar rails. When used with STIHL OILOMATIC saw chain, it will provide maximum lubrication, longer wear and less oil consumption than conventional methods of chain lubrication. The Ematic system can reduce bar oil consumption up to 50%.

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  Side chain tensioner

  The tensioning screw is located on the side of the chain saw through the sprocket cover. Chain side tensioning allows the saw chain to be retensioned effortlessly, avoiding any contact with the sharp chain.

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  Single-lever master control

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

Additional features

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  Long-term air cleaner system with HD2-Filter

  The longlife air filter system with cyclone pre-separator has a service life up to five times longer than the previous model. The newly developed HD2 filter is made from a water- and oil-repellent polyethylene filter material. It has up to 70 per cent finer pores than fleece and it is easy to clean. The PET-coated round filter cartridge with quick-release lock enables the filter to be fitted and removed in next to no time.

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  STIHL ElastoStart

  STIHL ElastoStart reduces the shock caused by the compression of the engine during starting. The compression shock is taken away from the users joints and muscles through a spring or rubber element in the starter handle.

We present some Product Technology features in product technology .

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    Chain saw Case

    Made of durable plastic. For safe storage and transportation of petrol and electric chain saw models: MS 170, 171, 181, 201 T, 192 C-E, 211, 230, 231, 251, 240 C-M, 250, 261, 362, MSE 140, 180, (not MSE-C versions). Not suitable for MS 441.

  Versions

  Price

  • Chain saw carry case $79.00*
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  * Manufacturer's recommended retail price updated as of March 2013. The manufacturer's recommended retail prices are subject to change without notice.

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    Multi-Functional Tool

    Practical, multifunctional quality tool in a sturdy plastic case with both a 3.5 mm (for carburetor adjustments and cleaning grooves) and 7.0 mm slotted screwdriver. Torx blade TX27 and 19-13 and 19-16 spark plug wrenches. Includes a nylon bag and belt loop.

  Versions

  Price

  • For MS 171, 181, 211, 192 C. $49.00*
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  * Manufacturer's recommended retail price updated as of March 2013. The manufacturer's recommended retail prices are subject to change without notice.

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    STIHL Laser 2-in-1

    The innovative aid for tree felling: the 2-in-1 laser functions as a felling direction indicator and a cutting aid in one. It enables short logs to be cut without time-consuming measurements. As a felling direction indicator, the 2-in-1 laser allows for better direction and cutting control when felling trees.

  Versions

  Price

  • 2-in-1 Laser - MS 241, 231, 251 $169.00*
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  * Manufacturer's recommended retail price updated as of March 2013. The manufacturer's recommended retail prices are subject to change without notice.

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    Filing Kit

    The complete Kit for saw chain maintenance.

  Versions

  Price

  • File Set LP MINI, PICCO & 1/4 RM $35.50*
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  * Manufacturer's recommended retail price updated as of March 2013. The manufacturer's recommended retail prices are subject to change without notice.

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    2 in 1 file holder

    This practical file holder includes round and flat files to ensure an easy change of files.

  Versions

  Price

  • 2 in 1 File (PICCO - 4mm) $59.00*
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  * Manufacturer's recommended retail price updated as of March 2013. The manufacturer's recommended retail prices are subject to change without notice.

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    Stump Vice

    Makes the job easier. Available in heavy duty and light duty. For securing the chain saw during chain sharpening.

  Versions

  Price

  • Stump Vice (Heavy Duty) $49.00*
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  * Manufacturer's recommended retail price updated as of March 2013. The manufacturer's recommended retail prices are subject to change without notice.