28 October. Tuesday 2025
Harley-Davidson FLSTF Softail Fat Boy - 2012 Specifications and Reviews
General information | |
| Category | Custom / cruiser |
| Year | 2012 |
| Model | Harley-Davidson FLSTF Softail Fat Boy |
Engine and Transmission Specifications | |
| Exhaust system | Chrome, over/under shotgun exhaust with dual mufflers |
| Greenhouse gases | 129.9 CO |
| Fuel consumption | 5.60 litres/100 km (17.9 km/l or 42.00 mpg) |
| Driveline | Primary Drive Chain, 34/46 ratio. Final Drive Belt, 32/66 ratio. |
| Clutch | Multi-plate with diaphragm spring in oil bath |
| Transmission type,final drive | Belt |
| Gearbox | 6-speed |
| Cooling system | Air |
| Lubrication system | Pressurized, dry-sump |
| Fuel system | Injection. Electronic Sequential Port Fuel Injection (ESPFI) |
| Valves per cylinder | 2 |
| Bore x stroke | 98.4 x 111.3 mm (3.9 x 4.4 inches) |
| Compression | 9.6:1 |
| Torque | 133.84 Nm (13.6 kgf-m or 98.7 ft.lbs) @ 3000 |
| Engine details | Air-cooled, Twin Cam 103B |
| Engine type | V2, four-stroke |
| Capacity: | 1687.97 ccm (103.00 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Silver, Bullet Hole Disc Cast Aluminum |
| Rear brakes diameter | 292 mm (11.5 inches) |
| Rear brakes | Single disc. 2-piston caliper. Optional ABS. |
| Front brakes diameter | 292 mm (11.5 inches) |
| Front brakes | Single disc. 4-piston caliper. Optional ABS. |
| Rear tyre dimensions | 200/55-R17 |
| Front tyre dimensions | 140/75-R17 |
| Rear suspension travel | 109 mm (4.3 inches) |
| Rear suspension | Hidden, horizontal-mounted, coil-over |
| Front suspension travel | 130 mm (5.1 inches) |
| Front suspension | 41.3 mm telescopic, beer can covers |
| Trail | 147 mm (5.8 inches) |
| Rake (fork angle) | 31.0° |
| Frame type | Mild steel tubular frame; rectangular section backbone; stamped, cast, and forged junctions; forged fender supports; MIG welded |
| | |
Physical measures and capacities | |
| Oil capacity | 3.30 litres (0.22 quarts) |
| Fuel capacity | 18.93 litres (5.00 gallons) |
| Wheelbase | 1,638 mm (64.5 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall length | 2,395 mm (94.3 inches) |
| Seat height | 635 mm (25.0 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 328.9 kg (725.0 pounds) |
| Dry weight | 314.8 kg (694.0 pounds) |
| | |
Other specs | |
| Comments | French brand. |
| Wheelbase | 1,285 mm (50.6 inches) |
| Overall width | 685 mm (27.0 inches) |
| Overall height | 1,150 mm (45.3 inches) |
| Power/weight ratio | 0.0472 HP/kg |
| Rear tyre | 3.00-12 |
| Front tyre | 2.50-12 |
| Ignition | CDI |
| Torque | 4.00 Nm (0.4 kgf-m or 3.0 ft.lbs) @ 5500 Revolutions">RPM |
| Power | 4.15 Horsepower">HP (3.0 Kilowatt">kW)) @ 8000 Revolutions">RPM |
| Capacity: | 49.20 ccm (3.00 cubic inches) |
| Model | Goes G 55 R Sport |
| Color options | Vivid Black, Chrome Yellow, Midnight Pearl/Brilliant Silver Pearl, Tequila Sunrise/H-D Orange |
| Factory warranty | 2 years, unlimited mileage. |
| Seat | Two-piece, two-up Softail seat with removable pillion |
| Electrical | Sealed, maintenance-free, 12V, 19-amp/hour, 270 cca |
| 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 |
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