One of a new generation of occasional use saws, the STIHL MS 171 chainsaw features reduced-emission engine technology. Reducing fuel consumption by up to 20% compared to its predecessor, this innovative saw saves the user both time and money. Ideal for homeowners, the STIHL MS 171 is good for cutting firewood, felling small trees or completing clean up tasks. Advanced combustion technologyFour overflow channels swirl the fuel-air mix before ignition, allowing for optimum combustion and highly efficient performance. The result is lower fuel consumption and high torque across a broad rpm range.Anti-vibration systemIntense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine's engine are dampened which significantly reduces vibrations at the handles.Pre-separation air filtration systemSTIHL long-life air filtration systems with pre-separation achieve perceptibly longer filter life compared with conventional filter systems. Air drawn in is swirled. The larger, heavier particles are ejected. The pre-cleaned air is routed to the air filter via the pre-separator duct.CompensatorThis 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.Single-lever master controlAll important functions such as start, choke, throttle and stop are operated via a single lever.Side chain tensionerThe tensioning screw can be found on the side of the chain saw through the sprocket cover. This removes the need for contact with the sharp saw chain.Ematic chain lubrication systemThe 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 by up to 50%.Tool free filler capsSpecial catches on the fuel and oil tanks for easy opening and locking without the need for tools.

MS 171 Ideal for general cutting and trimming tasks in the garden

£255.00Price
GUIDE BAR LENGTH
  • Displacement cm³ 31.8
    Power output kW/bhp 1.3/1.8
    Weight kg 1) 4.3
    System weight kg 2) 4.77
    Power-to-weight ratio kg/kW 3.3
    Sound pressure level dB(A) 3) 99
    Sound power level dB(A) 3) 112
    Vibration values left/right m/s² 4) 4/4.5
    STIHL Oilomatic saw chain pitch/type 3/8" P PMM3
    Oil pump Not adjustable
    Tank volume l 0.27
    Chain pitch 3/8"P
    Chain tensioning Side chain tension
    Sprocket - number of teeth 6
    Filter Long-term filter system / standard filter
    Bumper spike Plastic spike
    Cylinder 4 channel / chrome
    Oil tank volume cm3 265
    Sprocket Sprocket profile
    Anti vibration system AV System. steel spring
    Filler cap Tools
    Starting system Single lever
    EPA Certified fuel consumption l/h 0.73
    CO2 g/kWh 1.072

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