The GL1800 Gold Wing, produced from 2001 to 2005, represents a premium grand touring motorcycle renowned for its exceptional engineering quality and reliability. This model features a powerful 1832cc liquid-cooled, horizontally-opposed six-cylinder engine, delivering approximately 118 hp and 120 lb-ft of torque. Key innovations include a sophisticated fuel injection system, an integrated audio system, electronic cruise control, and a convenient electric reverse gear. Its design emphasizes rider comfort and long-distance capability, with luxurious touring amenities, an aerodynamic fairing for wind protection, and advanced rider comfort features like optional heated grips and seats. The GL1800's stable handling is further enhanced by its Pro-Arm single-sided swingarm and Pro-Link rear suspension, solidifying its position as a benchmark in the luxury touring segment. This comprehensive Factory Service Repair Manual for the GL1800 Gold Wing (SC47, model code GL1800) covers the model years 2001 through 2005. It provides detailed, dealer-level diagnostics and repair procedures across all major systems, including the engine, fuel system, transmission, drivetrain, exhaust, suspension, brakes, cooling, bodywork, and electrics. The manual includes factory maintenance schedules, repair procedures, and fault-finding guidance. With high-resolution illustrations and diagrams, this manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain, diagnose, and repair the GL1800 Gold Wing, ensuring its optimal performance and longevity.