The FLHRCI Road King Classic, produced in 2004 as part of the fourth-generation touring platform, embodies classic American cruiser styling and comfortable touring capabilities. Powered by a Twin Cam 88 V-twin engine with electronic fuel injection, this model offers robust performance suitable for long-distance journeys and everyday riding. Key features include a comfortable riding position, ample storage, and a suite of technologies designed for rider convenience, such as standard cruise control and an optional audio system. Renowned for its reliability and the distinctive riding experience, the Road King Classic is a testament to American engineering and a celebrated member of the brand's touring heritage. This comprehensive service manual provides detailed information essential for the maintenance, repair, and diagnostics of the 2004 FLHRCI Road King Classic. Covering all major systems, including the engine, transmission, chassis, and electrical components, it offers step-by-step procedures, technical specifications, and troubleshooting guides. The manual is designed to empower owners and professional technicians alike, ensuring the longevity and optimal performance of the motorcycle. With extensive illustrations and clear instructions, it serves as an indispensable resource for routine service, complex repairs, and in-depth understanding of the vehicle's engineering.