Stihl MS500i Fuel Injected Professional Chainsaw

The STIHL MS 500i is a revolutionary milestone in chainsaw technology, being the first ever chainsaw on the worldwide market to feature electronically controlled fuel injection. Designed and built exclusively for forestry personnel and tree service professionals, this saw delivers rapid acceleration and world-class power for the most demanding felling, bucking, and delimbing operations.

Boasting an incredible power-to-weight ratio, the MS 500i features a 79.2 cc engine that produces a massive 6.7 bhp while maintaining a manageable powerhead weight of just 13.9 lbs. With its unique fuel injection system, there is no carburetor to adjust—the saw automatically provides the right amount of fuel for any condition, ensuring consistent, peak performance from the first cut to the last.

Key Features & Benefits

Revolutionary Fuel Injection Technology

• Electronic Fuel Injection: Delivers rapid acceleration and sensor-controlled fuel metering, providing the perfect fuel-to-air ratio regardless of altitude or temperature.
• Simplified Starting Procedure: With no choke required, the starting process is streamlined, significantly reducing the risk of engine flooding.
• Quick Acceleration: The high-performance injection system allows the chain to reach full speed almost instantly for maximum productivity.

Advanced Professional Engineering

• HD2 Air Filter: A washable, large-surface-area filter designed for long run times between cleanings, even in dry and dusty conditions, providing superior engine protection.
• High Power-to-Weight Ratio: Engineered to provide heavy-duty 6.7 bhp power while minimizing user fatigue through lightweight construction.
• MDG 1 Diagnostic Support: Compatible with new generation diagnostic software, allowing dealers to quickly access machine data for efficient servicing.

Serviceability & Safety

• Captive Bar Nuts: The nuts are held securely in the sprocket cover, so you never have to worry about losing them in the field during maintenance.
• Quarter-Turn Shroud Lock: Provides fast and easy access to the engine components for quick cleaning and service.
• Decompression Valve & ElastoStart: Works in tandem to reduce the effort required to pull the starter rope, protecting the operator from sudden peak forces.
• Anti-Vibration System: Minimizes handle vibration levels to ensure a more comfortable working experience during long, professional shifts.

Technical Specifications