This manual covers the 2001 Softail models, including the FLSTC Heritage Softail Classic, FLSTF Fat Boy, FLSTS Heritage Springer, FXST Softail Standard, FXSTB Night Train, and FXSTD Softail Deuce, along with their fuel-injected variants. These iconic cruisers are powered by the Twin Cam 88B engine, known for its V-twin configuration, air-cooling, and a counter-balanced design for reduced vibration, offering a classic riding experience. The Softail platform is distinguished by its hidden rear suspension, which emulates the rigid look of older motorcycles while providing contemporary comfort. These models represent a blend of traditional styling and engineering, making them suitable for cruising and touring. This comprehensive service and repair manual provides detailed, OEM-level information essential for maintaining and repairing your 2001 Softail. It covers all major systems, including the engine, fuel system (carburetor and EFI), transmission, drive systems, steering, suspension, electrical components, brakes, and bodywork. The manual includes step-by-step repair procedures, routine maintenance schedules, troubleshooting guides with diagnostic flowcharts, and critical technical data such as torque specifications and wiring diagrams. This English-language resource is designed to assist owners, technicians, and mechanics in ensuring the optimal performance and longevity of their motorcycle.