This manual covers the 1980 FXWG, a model renowned for its iconic Shovelhead engine and chopper-inspired Wide Glide styling. As a significant offering, this motorcycle embodies a rich heritage of American V-twin engineering. The FXWG is characterized by its distinctive extended front forks, robust construction, and the raw power delivered by its air-cooled, V-twin engine, typically featuring an 80 cubic inch displacement. This model is celebrated by enthusiasts for its classic aesthetic and the visceral riding experience it provides, representing a key period in the evolution of cruiser motorcycles. This comprehensive workshop service repair manual, written in English, provides in-depth, factory-level information essential for the maintenance and repair of your 1980 FXWG. It details procedures for all major systems, including engine disassembly and reassembly, fuel and exhaust systems, drivetrain components like the clutch and transmission, chassis elements such as suspension and brakes, and the complete electrical system with detailed wiring diagrams. The manual includes step-by-step instructions, troubleshooting guides, and hundreds of illustrations, making it an indispensable resource for owners and technicians seeking to preserve the performance and integrity of this classic machine.