24 June. Wednesday 2026
Harley-Davidson Softail Fat Boy - 2017 Specifications and Reviews
The 2017 Harley-Davidson Softail Fat Boy is an iconic cruiser built for riders seeking classic American style with modern reliability. Known for its aggressive stance, massive front wheel, and distinctive design, it delivers comfortable highway cruising with commanding presence. Best suited for experienced cruiser enthusiasts who value tradition and heritage alongside contemporary technology and safety features.
General information | |
| Category | Custom / cruiser |
| Year | 2017 |
| Model | Harley-Davidson Softail Fat Boy |
Engine and Transmission Specifications | |
| Exhaust system | Chrome, over/under shotgun exhaust with dual mufflers |
| Greenhouse gases | 129.9 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 5.60 litres/100 km (17.9 km/l or 42.00 mpg) |
| Driveline | Primary chain, 34/46 ratio |
| Clutch | Multi-plate with diaphragm spring in oil bath |
| Transmission type,final drive | Belt |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. Electronic Sequential Port Fuel Injection |
| Bore x Stroke | 98.4 x 111.1 mm (3.9 x 4.4 inches) |
| Compression | 9.6:1 |
| Torque | 126.00 Nm (12.8 kgf-m or 92.9 ft.lbs) @ 3000 Revolutions">RPM |
| Power | 75.00 Horsepower">HP (54.7 Kilowatt">kW)) @ 5020 Revolutions">RPM |
| Engine details | High Output Twin Cam 103B |
| Engine type | V2, four-stroke |
Brakes, suspension, Frame and wheels | |
| Wheels | Mirror Chrome Aluminum Bullet Hole Disc |
| Rear brakes | Single disc. ABS. 2-piston. |
| Front brakes | Double disc. ABS. 4-piston. |
| Rear tyre | 200/55-R17 |
| Front tyre | 140/75-R17 |
| Rear Suspension | Twin shocks |
| Front Suspension | Telescopic fork |
| Trail | 147 mm (5.8 inches) |
| Rake (fork angle) | 31.0° |
| | |
Physical measures and capacities | |
| Oil capacity | 3.30 litres (0.22 quarts) |
| Fuel capacity | 18.93 litres (5.00 gallons) |
| Wheelbase | 1,690 mm (66.5 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall length | 2,396 mm (94.3 inches) |
| Seat height | 670 mm (26.4 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.2344 HP/kg |
| Weight incl. oil, gas, etc | 333.0 kg (734.1 pounds) |
| Dry weight | 320.0 kg (705.5 pounds) |
Other specs | |
| Light | High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings |
| Instruments | Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, RPM/gear display, fuel gauge with low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed indicator light |
| Starter | Electric |
| Color options | Velocity Red Sunglo, Vivid Black, Olive Gold, Superior Blue/Billet Silver, Black Hills Gold/Black Quartz |
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