Harley-Davidson FXDF Dyna Fat Bob - 2012 Specifications and Reviews
The 2012 Harley-Davidson FXDF Dyna Fat Bob is a middleweight cruiser that appeals to riders seeking classic styling with modern performance. Known for its distinctive fat 240mm rear tire, low-slung seat, and aggressive stance, it delivers a comfortable yet commanding ride. This bike balances raw Harley character with practical features like electronic instruments and fuel management, making it ideal for both urban cruising and highway touring.
General information | |
| Category | Custom / cruiser |
| Year | 2012 |
| Model | Harley-Davidson FXDF Dyna Fat Bob |
Engine and Transmission Specifications | |
| Exhaust system | Chrome, Tommy Gun 2-1-2 collector 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) |
| Bore x stroke | 98.4 x 111.3 mm (3.9 x 4.4 inches) |
| Compression | 9.6:1 |
| Torque | 135.60 Nm (13.8 kgf-m or 100.0 ft.lbs) @ 3500 |
| Engine details | Air-cooled, Twin Cam 103 |
| Engine type | V2, four-stroke |
| Capacity: | 1687.97 ccm (103.00 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Machined, Aluminum Slotted Disc |
| Rear brakes diameter | 292 mm (11.5 inches) |
| Rear brakes | Single disc. 2-piston torque-free floating. Optional ABS. |
| Front brakes diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. 4-piston fixed. Optional ABS. |
| Rear tyre dimensions | 180/70-B16 |
| Front tyre dimensions | 130/90-B16 |
| Rear suspension travel | 54 mm (2.1 inches) |
| Rear suspension | Coil-over shock. Mild steel, rectangular tube sections, stamped junctions; MIG welded swingarm. |
| Front suspension travel | 127 mm (5.0 inches) |
| Front suspension | 49 mm with polished aluminum fork triple clamp and dual-rate springs |
| Trail | 125 mm (4.9 inches) |
| Rake (fork angle) | 29.0° |
| 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 | 2.80 litres (0.18 quarts) |
| Fuel capacity | 18.93 litres (5.00 gallons) |
| Wheelbase | 1,618 mm (63.7 inches) |
| Ground clearance | 125 mm (4.9 inches) |
| Overall length | 2,329 mm (91.7 inches) |
| Seat height | 663 mm (26.1 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 320.2 kg (706.0 pounds) |
| Dry weight | 305.3 kg (673.0 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, Big Blue Pearl, H-D Orange, Black Denim |
| Factory warranty | 2 years, unlimited mileage. |
| Seat | One-piece, two-up Dyna classic seat |
| 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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⚠ Safety Recalls (1)
Harley-Davidson Motor Company (Harley-Davidson) is recalling certain model year 2012 FXST103, FLSTC, FLSTC103, FLSTF, FLSTF103, FXDL, FXDWG, FXDWG103, FXDC, FXDB, FLSTN, FLSTN103, FLSTC103Shrine, FLSTFB, FLSTFB103, FXS, FXS103, FLS, FLS103, FLD, FLD103, FXDF, and FXDF103 Dyna and Softail motorcycles manufactured August 22, 2011, through February 24, 2012. In the affected motorcycles, the threads for the brake line banjo bolt in the front brake master cylinder may corrode.
Risk: If the threads corrode, a sudden loss of brake fluid could result, causing a loss of the front brakes, and increasing the risk of a crash.
Remedy: Harley-Davidson will notify owners, and dealers will flush and inspect the front brake master cylinder and, if necessary, replace the master cylinder, free of charge. The recall is expected to begin on January 22, 2015. Owners may contact Harley-Davidson customer service at 1-800-258-2464. Harley-Davidson's number for this recall is 0163 and 0164.
Source: NHTSA. View all Harley-Davidson recalls →
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