This comprehensive service repair manual provides detailed instructions and technical specifications for maintaining and repairing Stihl HS81 and HS86 trimmers. The manual includes step-by-step procedures for disassembly, inspection, repair, and reassembly of all major components, including the engine, cutting head, and transmission. It also covers troubleshooting common problems, safety precautions, and essential maintenance tasks. With clear diagrams, illustrations, and detailed descriptions, this manual is an indispensable resource for anyone who wants to keep their Stihl HS81 or HS86 trimmer running smoothly.

The Stihl HS81 and HS86 are powerful and versatile gas-powered brushcutters designed for tackling tough landscaping tasks. These machines are popular choices for professionals and homeowners alike due to their durable construction, reliable performance, and impressive cutting capabilities. The HS81, with its 27.2 cc engine, provides a robust power output perfect for clearing dense undergrowth, trimming hedges, and maintaining large areas. The HS86, featuring a slightly larger 31.8 cc engine, offers even greater power for cutting through thick vegetation and handling demanding applications. Both models boast a durable, lightweight design that reduces operator fatigue during prolonged use, making them suitable for a variety of landscaping tasks. Both the HS81 and HS86 are equipped with a number of innovative features designed to enhance performance and user experience. The anti-vibration system effectively reduces hand and arm fatigue, allowing operators to work for longer periods without discomfort. The easy-start system ensures smooth and reliable ignition, minimizing the effort required to start the engine. The models also incorporate a multi-function control lever that allows for easy adjustment of engine speed and throttle control. Both machines boast a fuel-efficient design that minimizes fuel consumption, resulting in longer operating times between refills. The Stihl HS81 and HS86 are known for their ease of maintenance, with readily accessible components that simplify routine servicing and repair. Overall, the Stihl HS81 and HS86 are durable, powerful, and versatile brushcutters that deliver exceptional performance for both professional and residential landscaping applications.