FS 91 R

Standard

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  STIHL 4-MIX Engine

  You can always rely on STIHL to keep setting new benchmarks this time with 4-stroke mixed lubrication technology. The STIHL 4-MIX engine, which runs on a fuel-oil mix just like a 2-stroke, offers the benefits without the compromises of 4-stroke power. STIHL 4-MIX engine technology provides fast acceleration, more power, added torque, lower noise, reduced emissions and increased fuel efficiency to complete jobs quickly, quietly and more easily.
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  STIHL Anti-vibration system

  The STIHL anti-vibration system is available in a one-point version for smaller models and in an especially effective four-point version for larger machines starting with the STIHL. It reduces handle vibration for easy and comfortable operation.
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  Stop button

  You do not need to control the stop button when restarting. The engine can be started at any time.
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  Automatic decompression

  The decompression system automatically opens the intake valve during engine start-up. This prevents pressure peaks and considerably reduces the effort needed to pull the starting rope.
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  Round handle

  The round handled grass trimmers and brushcutters are ideal for working in areas where space is limited, e.g. thinning between bushes and shrubs.