Harley-Davidson Fat Boy 117

Harley-Davidson · 2 model years · 2025–2026

Model Years

2026 Harley-Davidson Fat Boy 117

Engine: 1917.4 cc Power: 104.0 HP (75.9 kW)) @ 4800 RPM Torque: 170.9 Nm (17.4 kgf-m or 126.0 ft.lbs) @ 3000 RPM Weight: 304.4 kg (671.0 pounds) Seat: 658 mm (25.9 inches) If adjustable, lowest setting.

The 2026 Harley-Davidson Fat Boy 117 is a heavyweight cruiser built for riders seeking aggressive styling and commanding presence on the road. Powered by the Milwaukee-Eight 117 V-…

2025 Harley-Davidson Fat Boy 117

The 2025 Harley-Davidson Fat Boy 117 is an iconic cruiser built for riders seeking classic American styling with modern performance. Its muscular 117-cubic-inch engine, low 25.9-in…

Spec Comparison by Year

Spec	2026	2025
Capacity	1917.4 cc	1917.4 cc
Power	104.0 HP (75.9 kW)) @ 4800 RPM	104.0 HP (75.9 kW)) @ 4800 RPM
Torque	170.9 Nm (17.4 kgf-m or 126.0 ft.lbs) @ 3000 RPM	170.9 Nm (17.4 kgf-m or 126.0 ft.lbs) @ 3000 RPM
Dry weight	304.4 kg (671.0 pounds)	304.4 kg (671.0 pounds)
Wet Weight	314.8 kg (694.0 pounds)	314.8 kg (694.0 pounds)
Seat height	658 mm (25.9 inches) If adjustable, lowest setting.	658 mm (25.9 inches) If adjustable, lowest setting.