This comprehensive service and repair manual is your essential guide for working on your Stihl HS 75, HS 80, HS 85, and BG 75 outdoor power equipment. It provides detailed instructions and diagrams, mirroring the same information used by professional Stihl dealers. The manual covers a wide range of repair topics, making it suitable for both do-it-yourselfers and experienced mechanics. You'll find clear, step-by-step instructions and high-quality illustrations for every repair procedure. From basic maintenance tasks to advanced engine work, this manual equips you with the knowledge and confidence to keep your Stihl equipment running smoothly. The manual's contents include: * **Introduction and Specifications:** A foundational overview of your Stihl models and their essential specifications. * **Clutch, Chain Drive, Chain Brake, and Chain Tensioner:** Detailed guidance on the operation and maintenance of these critical components. * **Engine:** Thorough coverage of engine components, including troubleshooting and repair procedures. * **Ignition System:** A comprehensive guide to the ignition system, covering everything from spark plug replacement to advanced diagnostics. * **Rewind Starter:** Instructions for inspecting, adjusting, and repairing the rewind starter system. * **AV Handle System:** Detailed information on the AV handle system, including its operation and maintenance. * **Master Control / Handle System:** A guide to the master control and handle system, covering adjustments and repairs. * **Chain Lubrication:** In-depth coverage of chain lubrication systems, including adjustments and troubleshooting. * **Fuel System:** Thorough information on the fuel system, including troubleshooting and maintenance procedures. * **Special Servicing Tools and Aids:** A list of specialized tools and aids that may be required for specific repairs. This manual is your invaluable resource for performing repairs on your Stihl equipment. Its comprehensive coverage and clear explanations will help you save money and ensure your Stihl equipment stays in peak condition.

The Stihl HS 75, HS 80, HS 85, and BG 75 are a series of powerful and versatile handheld blowers designed for a range of professional and residential landscaping tasks. These blowers are known for their high-performance, durable construction, and user-friendly features. The HS 75, HS 80, and HS 85 models are all gasoline-powered blowers with differing output levels, making them suitable for various tasks from clearing leaves and debris to blowing snow. The BG 75, on the other hand, is a backpack blower that provides exceptional power and maneuverability for heavier-duty applications, such as clearing large areas of debris or working on steep slopes. All models in this series are equipped with Stihl's renowned 2-MIX engine technology, which delivers impressive power and torque while consuming significantly less fuel and producing fewer emissions compared to traditional two-stroke engines. This technology is further enhanced by the inclusion of a variable-speed throttle, allowing users to adjust the blowing force to suit the task at hand. The blowers feature a robust, lightweight design with ergonomic handles and adjustable straps, ensuring comfortable and fatigue-free operation. They also boast a long service life thanks to the use of high-quality materials and construction, making them a reliable choice for demanding professionals and hobbyists alike. However, like any complex machinery, proper maintenance and timely repairs are crucial to ensure optimal performance and longevity.