The STIHL MS 500i is a professional high-performance gasoline chainsaw featuring electronically controlled fuel injection for consistent power under changing cutting conditions. Built for forestry and tree-service professionals, it’s designed to be responsive, easy to start and operate, and efficient during demanding work such as felling, bucking, and delimbing. The Stihl 1147-200-0052 model number corresponds to the MS 500i configuration sold with specific bar/chain options.