The 2015 Harley-Davidson FXDF Fat Bob is a performance cruiser known for its aggressive styling, featuring a fat front tire, drag-style handlebars, and dual exhaust. Powered by an air-cooled, 1690 cc (103 cubic inches) Twin Cam 103B V-twin engine, it delivers strong low-end and mid-range torque, making it a capable machine for riders seeking power and distinctive aesthetics. Its robust engineering and iconic American heritage are hallmarks of the Harley-Davidson brand, offering a unique blend of classic design and modern performance.

This comprehensive service manual provides expert-level guidance for the maintenance, diagnosis, and repair of the 2015 Harley-Davidson FXDF Fat Bob. It covers all major systems, including the engine, transmission, fuel, electrical, brakes, suspension, chassis, bodywork, and wheels/tires. Detailed procedures for scheduled maintenance, troubleshooting, component repair, and engine/transmission rebuilds are included, along with high-resolution, searchable wiring diagrams and diagnostic flowcharts. This manual is an essential resource for owners and professional technicians aiming to keep the FXDF Fat Bob in optimal condition.