The STIHL KM 131 R, powered by a 36.3cc 4-MIX engine, is a versatile and compact Kombi Engine ideal for professionals. It offers simplified starting, improved handling, and a larger fuel tank for longer run time. Compatible with various attachments, it features a manual fuel pump, loop handle, multi-function control handle, and a quick-release mechanism for easy tool changes. The 4-MIX engine provides more power, lower emissions, and better fuel efficiency, while additional features include an anti-vibration system, decompression valve, and quick-release coupling for easy transport and storage.