Harley-Davidson Softail Fat Boy 117 Specs

About the Harley-Davidson Softail Fat Boy 117

Harley-Davidson introduced the Softail Fat Boy 117 as part of their Custom / cruiser range in 2025. This technical reference page documents the full specification sheet for the Harley-Davidson Softail Fat Boy 117, including engine displacement, power and torque figures, frame and suspension geometry, braking systems, and overall dimensions. Select a model year above to view year-specific technical data. Specifications are compiled from official manufacturer sources.