This comprehensive service repair manual provides detailed instructions and specifications for the 2009-2011 BMW F650GS, F800GS, F800S, and F800ST motorcycles. It is the same information used by professional mechanics and repair shops, covering every aspect of these bikes, from basic maintenance to complex engine repairs. The manual covers a wide range of topics, including: * **General Information:** Provides an overview of the motorcycle, its features, and safety precautions. * **Specifications:** Detailed technical specifications for each model year. * **Maintenance:** Step-by-step instructions for routine maintenance tasks such as oil changes, filter replacements, and adjustments. * **Gearbox & Clutch:** Covers dismantling, assembly, and troubleshooting for the gearbox and clutch system. * **Engine Removal and Installation:** Detailed procedures for removing and reinstalling the engine. * **Engine Fuel System:** Comprehensive coverage of the fuel injection system, including troubleshooting and repair procedures. * **Engine Lubrication and Cooling:** In-depth information on the engine lubrication and cooling systems. * **Engine Combustion System:** Covers the operation and maintenance of the engine's combustion system. * **Lubrication System:** Explains the motorcycle's lubrication system and its components. * **Cylinder Head/Valves:** Detailed instructions for inspecting, adjusting, and repairing the cylinder head and valve system. * **Alternator/Starter Clutch:** Detailed procedures for working with the alternator and starter clutch. * **Crankcase/Piston/Cylinder:** Covers the crankcase, piston, and cylinder, including disassembly, assembly, and troubleshooting. * **Crankshaft/Transmission/Balancer:** Provides instructions for working with the crankshaft, transmission, and balancer. * **Transmission System:** In-depth information on the transmission system, including troubleshooting and repair procedures. * **Front Wheel and Steering System:** Covers the front wheel, steering system, and related components. * **Rear Wheel System:** Detailed instructions for repairing and maintaining the rear wheel system. * **Fenders and Exhaust Pipe:** Information on the fenders, exhaust pipe, and related components. * **Periodic Checks & Adjustments:** Provides a schedule for regular checks and adjustments. * **Chassis:** Covers the chassis and its components. * **Cooling System:** Explains the motorcycle's cooling system and how to maintain it. * **Fuel Injection System:** Detailed information on the fuel injection system, including troubleshooting and repair procedures. * **Braking System:** Covers the braking system, including troubleshooting and repair procedures. * **Suspension:** Explains the motorcycle's suspension system and how to adjust it. * **Electrical System:** Detailed information on the electrical system, including wiring diagrams and troubleshooting procedures. * **Body & Fixtures:** Covers the body panels, fixtures, and other exterior components. * **Frame/Body Panels/Exhaust System:** Provides instructions for repairing and maintaining these components. * **Wheels & Tyres:** Covers the wheels, tires, and related components. * **Battery/Charging System:** Explains the battery and charging system, including troubleshooting procedures. * **Ignition System:** Detailed information on the ignition system, including troubleshooting and repair procedures. * **Electric Starter:** Covers the electric starter and related components. * **Lights/Meters/Switches:** Information on the lights, meters, and switches. * **Wiring Diagrams:** Comprehensive wiring diagrams for the motorcycle. * **Technical Information & Specifications:** Additional technical information and specifications. * **Troubleshooting:** Provides guidance on diagnosing and resolving common issues. This manual will equip you with the knowledge and instructions necessary to perform a wide range of repairs and maintenance tasks, saving you money and providing you with a deeper understanding of your BMW motorcycle.

The BMW F650GS, F800GS, F800S, and F800ST represent a diverse lineup of motorcycles produced by BMW Motorrad between 2009 and 2011. These models, each catering to a specific riding style and purpose, share a common lineage while offering distinct characteristics. The F650GS, powered by a 798cc single-cylinder engine, is a versatile and accessible adventure bike designed for both on and off-road use. Its nimble handling, comfortable ergonomics, and fuel efficiency make it an ideal choice for daily commutes, weekend adventures, and long-distance touring. The F800GS, on the other hand, utilizes a 798cc parallel-twin engine, boasting more power and torque, making it a capable off-road machine with greater touring potential. Its increased power output and refined suspension contribute to a more confident and enjoyable riding experience. The F800S and F800ST, departing from the adventure theme, focus on delivering sport-touring performance. The F800S, a naked sportbike, emphasizes agility and responsiveness, offering a thrilling riding experience with its sporty handling and powerful engine. The F800ST, a sport-tourer, blends the best of both worlds by combining the F800S's performance with added wind protection and touring comfort. Its wind fairing and comfortable seating position make it ideal for long-distance travel while its powerful engine ensures exhilarating performance. Each model in this diverse lineup offers a unique blend of style, performance, and practicality, catering to a wide range of riders and riding preferences.