This manual covers the 2006 FLHRCI Road King Classic motorcycle, a distinguished model known for its iconic styling and comfortable touring capabilities. Powered by a fuel-injected V-Twin engine and featuring a 5-speed transmission, the Road King Classic offers a blend of classic American cruiser aesthetics with modern performance. Its robust engineering, typical of heritage, ensures reliability for long-distance travel and everyday riding. The FLHRCI designation indicates specific features and options for this model year, making it a sought-after machine for riders who appreciate its timeless design and substantial road presence. This factory service repair manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your 2006 FLHRCI Road King Classic. It details procedures for all major systems, including the engine, transmission, chassis, electrical components, and braking system. The manual includes scheduled maintenance intervals, fluid specifications, diagnostic procedures, and step-by-step instructions for disassembly and assembly, supported by detailed diagrams and exploded views. This resource is designed to empower professional technicians and advanced DIY mechanics with the factory-level knowledge necessary to keep the motorcycle in optimal condition, ensuring its longevity and performance.