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New chainsaw with electronically controlled fuel injection

The STIHL MS 500i chainsaw is ideal for forestry work. Above all, it lets you process thick wood efficiently based on this tool’s high performance and ease of use. Thanks to lightweight design and dynamic swivel behaviour, this highly manoeuvrable chainsaw impresses not only when felling and cutting to length, but also when pruning.

The MS 500i is the world’s first chainsaw to feature electronically controlled injection. The innovative STIHL Injection technology guarantees optimum engine performance and excellent starting characteristics, regardless of altitude and ambient temperature. Sensors measure air pressure and internal and external temperature, and pass information on to the control unit. This can use the identified values to determine the optimum fuel quantity and ignition timing. As a result, fuel metering is assured through the opening and closing of the valve. STIHL Injection is therefore synonymous with rapid acceleration, extremely high power, and low weight:

  • the chain accelerates from 0 km/h to 100 km/h in 0.25 seconds.
  • The MS 500i achieves the best power-to-weight ratio on the market: an unparalleled 1.24 kg/kW.

Electronically controlled fuel injection takes place in the tried-and-tested STIHL 2-MIX engine, which offers high performance with low fuel consumption. The petrol chainsaw features STIHL ElastoStart to protect your muscles and joints. Its HD2 air filter, captive nuts on the sprocket cover, controlled-delivery oil pump, tool-free fuel cap and side-mounted chain tensioning complete the premium features.

MS 500i


The pictures shown are sample photos. The actual appearance of the equipment features and their specific attachment to the product may differ from the pictorial representations, but will have the same functionality.

Anti-vibration system
Decompression valve

Technical details

Bar length50-63 cm
Bar length20-25 in
Displacement79.2 cm³
Displacement4.83 cu-in
Engine power5 kW

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