| TECHNICAL SPECIFICATION | 
|---|
| Model ID | 
|---|
| Manufacturer (Make) | Harley-Davidson | 
| Model Name | FLSTF Fat Boy | 
| Year | 1999 | 
| Category(class) | Cruiser / Chopper / Custom | 
| Engine | 
|---|
| Engine Capacity (Displacement) | 1338 ccm (81.65 cubic inches) | 
| Engine Type | V-type, 2 cylinders | 
| Bore x Stroke | Ø88.8 mm x 108.0 mm (Ø3.5 inches x 4.25 inches) | 
| Bore/Stroke Ratio | 0.82 | 
| Stroke | 4 | 
| Valves per Cylinder | 2 | 
| Starter System | Electronic | 
| Cooling System | Air | 
| Powertrain | 
|---|
| Gearbox | 5 speed | 
| Chassis/Suspension/Brakes | 
|---|
| Front Suspension Travel | 129 mm (5.08 inches) | 
| Rear Suspension Travel | 103 mm (4.06 inches) | 
| Front Brakes | Single disc | 
| Front Brakes Diameter | Ø291 mm (Ø11.46 inches) | 
| Rear Brakes | Single disc | 
| Rear Brakes Diameter | Ø291 mm (Ø11.46 inches) | 
| Dimensions | 
|---|
| Seat Height | 680 mm (26.77 inches) | 
| Wheelbase | 1632 mm (64.25 inches) | 
| Curb Weight | 305 kg (672 lb) | 
| Weight Distribution (front - rear) | 46.6% - 53.4% | 
| Fuel Capacity  | 15.9 litres (4.2 gallons) | 
| Performance | 
|---|
| Max Power | 56.00 HP (40.9 kW) at 5000 RPM | 
| Max Torque | 97.00 Nm (71.32 ft*lbs) at 2350 RPM | 
| Power/Weight Ratio | 0.18 Hp/Kg | 
| Top Speed | 152 km/h (94mph) | 
| Acceleration (dart, speedup) time |  | 
| 0-100 km/h | 7.6 seconds | 
| 0-60 mph | 7.2 seconds | 
| 1/4 mile | - | 
| 60 to 140 km/h, highest gear | - | 
| Fuel Consumption | 5.8 litres/100km (40.53 mpg) |