This workshop service manual provides comprehensive guidance for the F650CS, F650GS, and F650GS Dakar models produced between 2004 and 2007. These versatile motorcycles, part of a well-known lineage, are known for their robust engineering, reliability, and adaptability for both street riding and light off-road excursions. Built with a focus on accessible performance, they feature a single-cylinder, fuel-injected engine and are designed to offer a balanced riding experience, embodying a commitment to quality and rider satisfaction. This manual serves as an indispensable resource for owners and technicians alike, covering every aspect of maintenance and repair. It includes detailed procedures for engine systems, drivetrain, chassis components, and electrical systems, along with routine servicing, pre-delivery checks, and troubleshooting guidance. With hundreds of detailed illustrations and specific technical data, including tightening torques and fluid specifications, this manual ensures that the F650 series motorcycles can be kept in optimal working condition, mirroring the information provided to authorized dealer technicians.