This comprehensive workshop service repair manual provides an in-depth guide for maintaining and repairing Stihl FS 120, FS 200, FS 300, FS 350, FS 400, FS 450, FR 350, and FR 450 brushcutters. Whether you are a seasoned professional or a first-time owner, this manual offers easy-to-follow instructions and detailed illustrations to ensure correct procedures. The information is presented in a clear and concise manner, making it easy to understand and apply. The manual covers a wide range of topics, including: * **Introduction:** A general overview of the brushcutters and their operation. * **Specifications:** Detailed technical specifications for each model, providing essential information for troubleshooting and repairs. * **Clutch:** Step-by-step instructions for servicing and adjusting the clutch system. * **Engine:** Comprehensive guidance on engine maintenance, including disassembly, inspection, repair, and reassembly. * **Ignition System:** Detailed instructions for troubleshooting and repairing the ignition system, covering components like spark plugs, ignition coils, and magneto. * **Rewind Starter:** Comprehensive guide for servicing and repairing the rewind starter system. * **AV System:** Detailed information on the AV system, including troubleshooting and repair procedures. * **Shaft:** Complete instructions for inspecting, servicing, and repairing the brushcutter shaft. * **Cutting Tool Drive:** Comprehensive instructions for servicing and repairing the cutting tool drive system. * **Support Frame (FR 350/450):** Detailed instructions for maintaining and repairing the support frame specifically for FR 350 and FR 450 models. * **Special Servicing Tools and Aids:** A list of specialized tools and aids required for specific repair procedures. This manual serves as an invaluable resource, empowering you to perform routine maintenance and tackle more complex repairs with confidence. By utilizing this manual, you can prevent premature failures, minimize unnecessary repair costs, and keep your Stihl brushcutter running smoothly for years to come.

The Stihl FS 120, FS 200, FS 300, FS 350, FS 400, FS 450, FR 350, and FR 450 brushcutters are a range of powerful and versatile tools designed for tackling heavy-duty landscaping tasks. These machines are renowned for their durability, performance, and user-friendliness, making them popular choices for professionals and homeowners alike. The FS series features a variety of engine sizes and cutting attachments, allowing users to select the ideal model for their specific needs. The FS 120 is the entry-level model, known for its lightweight design and ease of use, while the FS 450 boasts a powerful engine and robust construction, making it suitable for the most demanding tasks. The FR series, specifically the FR 350 and FR 450, are designed for clearing dense undergrowth and brush, featuring a unique angled cutting head that allows for efficient trimming and clearing. All models within this range are engineered with advanced features that enhance their performance and user experience. These include sturdy, lightweight construction for reduced fatigue during operation, ergonomic handles for improved comfort and control, and efficient fuel systems for optimal fuel consumption. The inclusion of a variety of cutting attachments, such as mowing heads, trimming heads, and brush blades, allows users to customize their brushcutters for diverse applications. Additionally, these models are built to last, with high-quality components and robust designs that withstand even the most demanding conditions. Whether you are a professional landscaper or a homeowner tackling a large yard, the Stihl FS and FR series brushcutters offer the power, performance, and versatility to make light work of any brushcutting task.