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Stihl Chain Saw

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MS 391 a 580x563
$879.99
(4 customer review)

DESCRIPTION

The MS 391 chain saw features a stratified charge engine that reduces fuel consumption and emissions, while providing significantly more power than others in its class. Combined with an exclusive long-life air filtration system, advanced anti-vibration system, tool less fuel and oil caps with retainers and a side-access chain tensioner, this is an environmentally conscious pick for mid-range users.

Availability: In Stock

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SKU:MS 391Category: Tag:

DESCRIPTION

The MS 391 chain saw features a stratified charge engine that reduces fuel consumption and emissions, while providing significantly more power than others in its class. Combined with an exclusive long-life air filtration system, advanced anti-vibration system, toolless fuel and oil caps with retainers and a side-access chain tensioner, this is an environmentally conscious pick for mid-range users.

TECHNICAL DATA
  • Displacement (cc): 64.1
  • Power output (kW): 3.3
  • Weight (kg / lbs) 1): 6.2 / 13.7
  • Weight (kg / lb): 6.4 / 14.1
  • Guide Bar Lengths (Recommended ranges): 16″ – 24″
  • Chain Oil Capacity (oz): 11.8
  • Fuel Capacity (oz): 20.3
  • Chain: 33RS60E (16″) / 33RS66E (18″) / 33RS72E (20″) / 33RS84E (24″)
  • Power output (kW): 3.3
STANDARD FEATURES
  • Reduced-emission engine technology: 2-stroke engine with stratified charge. A fuel-free layer of air is created between the burned charge in the combustion chamber and the fresh charge in the crankcase, reducing the amount of fuel lost during the charge cycle. This results in more power with a lower weight, up to 20% lower fuel consumption than regular 2-stroke engines and significantly reduced exhaust emissions.
  • STIHL anti-vibration system: Precisely calculated buffer zones minimise the transfer of engine and saw chain vibrations to the front and rear handles. The chainsaw therefore runs noticeably smoother. This allows the user to save their strength and work longer.
  • Advanced combustion technology: Four 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.
  • Pre-separation air filtration system: STIHL 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.
  • Tool free fuel caps: Special caps to open and close the tank cap quickly, easily and without tools.
  • Decompression valve: The decompression valve is part of the easy starting system. The valve should be pressed before starting to reduce the compression pressure when starting, as well as the effort needed to pull the starter rope. The decompression valve is semi-automatic; it must be pressed manually before starting, but then closes automatically.
  • 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.
  • Side-mounted chain tensioning: The tensioning screw can be found on the side of chain saw through the sprocket cover. This removes the need for contact with the sharp saw chain.
  • Single-lever master control: All important functions such as start, choke, throttle and stop are operated via a single lever.
  • Controlled-delivery oil pump: The exact chain oil output can be adjusted manually for varying conditions, allowing for a reduction of up to 50%
ADDITIONAL FEATURES
  • STIHL ElastoStart: Due to compression pressure, jerky stresses occur when starting internal combustion engines. The damping element in the ElastoStart special starter grip alternately absorbs and releases force according to the compression pattern. The result is smooth, even starting.
NOTES:

1) without fuel, bar and chain The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.

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