This manual covers the Indian Chief motorcycle, with coverage extending from 2003 onwards. The Indian Chief is renowned for its iconic styling, powerful V-twin Thunderstroke engines, and comfortable riding position, making it a premier choice for cruiser and touring enthusiasts. As one of America's oldest motorcycle brands, Indian is celebrated for its heritage and the robust engineering of its machines, offering a distinctive blend of classic aesthetics and modern performance. This manual provides comprehensive information for maintaining and repairing these celebrated motorcycles. This service and repair workshop manual is designed to be an authoritative English-language resource for owners, mechanics, and technicians. It offers detailed instructions and specifications covering all major systems, including the engine, transmission, drivetrain, chassis, suspension, braking, and electrical systems. Key areas include routine maintenance procedures, diagnostic troubleshooting, component repair and overhaul, and critical technical data such as torque values and fluid specifications. The manual's comprehensive nature ensures that users have the necessary information to keep their Indian Chief motorcycles in optimal condition.