This manual covers the FE 450, FC 450, FE 650, and FC 650 models from the 2004 model year. These dual-sport and enduro motorcycles, originating from the Swedish manufacturer, are renowned for their performance-oriented design. The FE and FC series represent a commitment to producing capable off-road machines, featuring four-stroke engines in 450cc and 650cc displacements. These liquid-cooled, fuel-injected motorcycles are built for demanding terrain, offering a robust platform for both competition and recreational riding. This comprehensive service repair workshop manual provides complete A-Z coverage for all repairs, maintenance, and troubleshooting for the specified models. It includes detailed step-by-step instructions, highly detailed exploded pictures, and diagrams for all major systems, including the engine, drivetrain, chassis, and electrical systems. The manual is designed to assist owners, mechanics, and technicians in performing periodic checks, adjustments, component installations, and complex repairs, ensuring the optimal performance and longevity of the vehicle.