The STIHL MS 500i is a groundbreaking professional petrol chainsaw and the world’s first production chainsaw with electronically controlled fuel injection. Designed for demanding forestry, tree felling, timber processing, and specialist cutting tasks, it delivers exceptional power-to-weight performance, instant throttle response, and consistent engine behavior in all working conditions.
Key Features
World’s first chainsaw with electronic fuel injection
High-performance 79.2 cc STIHL 2-MIX engine
STIHL Injection for precise fuel metering and instant throttle response
Outstanding power-to-weight ratio for professional forestry work
Extremely fast and reliable starting behavior
Anti-vibration system for reduced operator fatigue
Adjustable oil pump for optimal chain lubrication
Captive sprocket cover nuts for safer chain maintenance
HD2 air filtration system for long service intervals
Built for continuous, heavy professional use
Technical Specifications
Specification
Value
Engine displacement
approx. 79.2 cm³
Power output
approx. 5.0 kW (≈ 6.8 hp)
Guide bar options
50 cm (20″), 55 cm (22″), 63 cm (25″), 71 cm (28″)
Chain pitch
3/8″
Weight (without cutting equipment)
approx. 6.2 kg
Engine technology
STIHL 2-MIX
Fuel system
STIHL Injection (electronic fuel injection)
Anti-vibration system
Yes
Air filtration
HD2 air filter system
Starting system
Decompression valve & ElastoStart®
What’s Included
STIHL MS 500i petrol chainsaw
Guide bar and saw chain (size varies by configuration)