Harley-Davidson FLSTFI Fat Boy - 2004 Specifications and Reviews
The 2004 Harley-Davidson FLSTFI Fat Boy is an iconic cruiser designed for riders seeking classic American styling with modern fuel injection reliability. Its 1449cc V-twin engine delivers substantial low-end torque ideal for relaxed highway cruising and commanding presence. Best known for its distinctive fat tire design and timeless retro aesthetics, it appeals to experienced riders valuing comfort and heritage.
General information | |
| Category | Custom / cruiser |
| Year | 2004 |
| Model | Harley-Davidson FLSTFI Fat Boy |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Belt |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | DOHC |
| Valves per cylinder | 2 |
| Fuel system | Injection |
| Bore x stroke | 95.3 x 101.6 mm (3.8 x 4.0 inches) |
| Compression | 8.8:1 |
| Torque | 102.00 |
| Stroke | 4 |
| Engine type | V2 |
| Capacity: | 1449.00 ccm (88.42 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,630 mm (64.2 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall length | 2,396 mm (94.3 inches) |
| Seat height | 645 mm (25.4 inches) If adjustable, lowest setting. |
| Dry weight | 307.0 kg (676.8 pounds) |
Harley-Davidson FLSTFI Fat Boy dimensions and frame | |
| Rear brakes diameter | 406 mm (16.0 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 406 mm (16.0 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 150/80-16 |
| Front tyre dimensions | 90/90-16 |
| Trail | 147 mm (5.8 inches) |
| Rake (fork angle) | 32.0° |
Speed and acceleration | |
| Color options | Vivid black, brilliant silver, sierra red, smokey gold, luxury blue, glacier white pearl, lava red sunglo, two-tone impact blue and vivid black, two-tone luxury teal and brilliant silver, two-tone sierra red and brilliant silver, two-tone smokey gold and |
| Fuel capacity | 18.90 litres (4.99 gallons) |
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⚠ Safety Recalls (1)
CERTAIN SOFTAIL MOTORCYCLES FAIL TO COMPLY WITH THE REQUIREMENTS OF PART 567, 'CERTIFICATION.' THE VIN/CERTIFICATION LABEL CONTAINS INCORRECT TIRE SIZE AND INFLATION PRESSURES FOR THE FRONT WHEEL. THE LABEL STATES THE TIRE SIZE IS MT90B21 AND THE INFLATION PRESSURE AS 30 PSI, WHEREAS THE CORRECT TIRE SIZE IS MT90B16, AND THE CORRECT INFLATION PRESSURE IS 36 PSI.
Risk: THE CERTIFICATION LABEL IS INCORRECT GIVING IMPROPER INFORMATION.
Remedy: HARLEY- DAVIDSON WILL MAIL INSTRUCTIONS ALONG WITH CORRECTED FEDERAL CERTIFICATION LABEL. IF AN OWNER SO DESIRES, A DEALER CAN INSTALL THE LABEL FOR THEM. THE RECALL BEGAN ON JUNE 6, 2005. OWNERS MAY CONTACT HARLEY-DAVIDSON AT 1-414-343-4056.
Source: NHTSA. View all Harley-Davidson recalls →
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