Harley-Davidson Softail Fat Boy - 1998 Specifications and Reviews
The 1998 Harley-Davidson Softail Fat Boy is an iconic custom cruiser that appeals to riders seeking classic styling with modern reliability. Known for its massive 1338cc V-twin engine delivering 99 Nm of torque, distinctive fat tires, and low-slung design, it epitomizes the quintessential American cruiser experience for riders valuing heritage and presence over performance.
General information | |
| Category | Custom / cruiser |
| Year | 1998 |
| Model | Harley-Davidson Softail Fat Boy |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Belt |
| Gearbox | 5-speed |
| Cooling system | Air |
| Starter | Electric |
| Valves per cylinder | 2 |
| Torque | 99.00 |
| Power | 56.00 |
| Stroke | 4 |
| Engine type | V2 |
| Capacity: | 1338.00 ccm (81.64 cubic inches) |
Physical measures and capacities | |
| Seat height | 654 mm (25.7 inches) If adjustable, lowest setting. |
| Dry weight | 284.0 kg (626.1 pounds) |
| | |
Harley-Davidson Softail Fat Boy dimensions and frame | |
| Front brakes | Single disc |
Speed and acceleration | |
| Power/weight ratio | 0.1972 HP/kg |
| Top speed | 155.0 km/h (96.3 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Rider Profile
| Best For | Best suited to riders who already have some experience handling heavy motorcycles at low speeds, though its low seat height keeps it approachable. |
| Purpose | Built for style-driven cruising and boulevard presence rather than outright performance or long-distance efficiency. |
| Rider Fit | The low seat and relaxed reach make it accessible, but its substantial weight demands confident strength and balance at parking-lot speeds. |
| Character | A bold, muscular cruiser with iconic Fat Boy looks, a thumping V-twin character, and a commanding, laid-back riding stance. |
| Not Ideal For | Not the right choice for riders seeking sharp cornering agility, off-road capability, or lightweight nimble handling. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
⚠ Safety Recalls (1)
VEHICLE DESCRIPTION: MOTORCYCLES. THE REAR BRAKE PEDAL ASSEMBLY MAY HAVE AN INADEQUATE WELD.
Risk: THIS CONDITION CAN ALLOW THE LEVER HUB TO SEPARATE FROM THE MASTER CYLINDER LEVER WHICH WOULD AFFECT REAR BRAKE PERFORMANCE.
Remedy: DEALERS WILL PERFORM THE RECALL SERVICE ON THESE VEHICLES.
Source: NHTSA. View all Harley-Davidson recalls →
Rider Reviews
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