Kombie System Engine
28.4 cc KombiSystem Engine, Gasoline, Professional
STIHL KM91R

This versatile 28.4 cc KombiSystem engine delivers exceptional performance for professional garden and landscape maintenance tasks. Powered by a STIHL 4-MIX® engine, it combines high torque with efficient operation, allowing you to work effectively in various environments. The expanded fuel tank provides 30% longer run times, reducing interruptions during extended work periods. Featuring a manual fuel pump that reduces starting strokes and a convenient stop button that springs back automatically for quick restarts. The wraparound handle with spacer bracket ensures excellent maneuverability in confined, hard-to-access areas, while the STIHL anti-vibration system provides comfortable operation by dampening vibrations to protect muscles and joints. Compatible with a wide range of KombiTools through a quick-release coupling system for tool-free attachment changes.

Features

  • STIHL 4-MIX® engine technology combines the advantages of 2-stroke and 4-stroke performance
  • Automatic decompression system reduces starting effort for easier operation
  • Expanded fuel tank provides 30% longer run times between refills
  • Manual fuel pump reduces the number of starting strokes required
  • Loop handle with barrier bar ensures safe operation in confined spaces
  • Integrated stop button springs back automatically for quick restarts
  • Anti-vibration system reduces operator fatigue during extended use
  • Quick-release coupling with clamping screw for tool-free attachment changes
  • Single-handed multifunction control handle integrates all operating elements
  • Compatible with the full range of STIHL KombiTools for maximum versatility
  • Wraparound handle design allows effective work in hard-to-access areas
  • 0.95 kW (1.3 bhp) power output for demanding professional applications

Applications

  • Professional landscape maintenance and garden care
  • Trimming grass and weeds in hard-to-reach areas
  • Hedge trimming and shaping with appropriate attachment
  • Edging along walkways, driveways, and garden beds
  • Soil cultivation and aeration in garden plots
  • Pruning trees and shrubs with pole pruner attachment
  • Clearing brush and small saplings in overgrown areas
  • Sweeping debris from walkways and driveways
  • Blowing leaves and light debris with blower attachment
  • Cutting small branches and stems with appropriate cutting attachment
  • Working in confined spaces between buildings or structures
  • Extended reach applications where standard tools cannot access