This comprehensive service and repair manual for the Stihl FS 500 and FS 550 grass trimmers is a valuable resource for both novice and experienced mechanics. The manual provides detailed instructions and diagrams for a wide range of maintenance and repair procedures. From basic tasks like adjusting chain tension and lubricating the chain to more complex operations involving the engine, ignition system, rewind starter, and fuel system, this manual covers it all. It also incorporates information on the clutch, chain drive, chain brake, AV handle system, master control/handle system, and special servicing tools and aids. With its clear and easy-to-follow language, this manual empowers users to confidently perform essential maintenance and repairs, ensuring their Stihl FS 500 or FS 550 trimmer operates efficiently and reliably. By following the detailed steps in this manual, you can extend the life of your trimmer and avoid costly repairs.

The Stihl FS 500 and FS 550 are powerful and versatile brushcutters designed for professional landscaping and forestry applications. These machines are renowned for their robust construction, high performance, and user-friendly features. They are equipped with powerful 2-stroke engines that deliver impressive cutting power, enabling them to handle dense vegetation, overgrown areas, and even small trees. The FS 500 and FS 550 feature ergonomic design elements, including comfortable grips and adjustable harnesses, ensuring user comfort during prolonged operation. They are also equipped with various safety features, such as a safety throttle lever and a protective shield, to minimize the risk of injury. The FS 550 boasts a larger displacement engine and increased torque, making it ideal for demanding tasks requiring extra power. Both models can be fitted with a wide range of cutting attachments, including mowing heads, brush cutters, and clearing saw blades, allowing users to tailor the machine to their specific needs. The FS 500 and FS 550 are popular choices for landscapers, farmers, and forestry professionals. Their durability and reliability make them suitable for heavy-duty applications, while their user-friendliness and versatility ensure efficient and effective work. The FS 500 is an excellent choice for general brushcutting and trimming, while the FS 550 offers the extra power needed for more challenging tasks. Both models are designed for long-term use and require regular maintenance to ensure optimal performance and longevity. The Stihl FS 500 and FS 550 are backed by Stihl's reputation for quality and innovation, making them a trusted choice for professionals who demand the best in performance and reliability.