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Harley-Davidson Fat Boy - 1990 Specifications and Reviews
The 1990 Harley-Davidson Fat Boy is an iconic cruiser built for riders seeking classic American styling and relaxed riding comfort. Powered by the legendary 1337cc Evolution V-twin engine, it's best known for its distinctive solid-disc wheels, low-slung chassis, and commanding presence on the road. Its air-cooled engine and accessible seat height make it ideal for both experienced cruiser enthusiasts and riders transitioning to larger motorcycles.
General information | |
| Category | Sport touring |
| Year | 1990 |
| Model | Harley-Davidson Fat Boy |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Belt |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | OHV |
| Valves per cylinder | 2 |
| Bore x stroke | 88.8 x 108.0 mm (3.5 x 4.3 inches) |
| Compression | 8.5:1 |
| Power | 49.00 |
| Stroke | 4 |
| Engine type | V2 |
| Capacity: | 1337.00 ccm (81.58 cubic inches) |
| | |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 298.0 kg (657.0 pounds) |
Harley-Davidson Fat Boy dimensions and frame | |
| Rear brakes | Single disc |
| Front brakes | Single disc |
| Rear tyre dimensions | MT 90-16 |
| Front tyre dimensions | MT 90-16 |
Speed and acceleration | |
| Top speed | 148.0 km/h (92.0 mph) |
Other specs | |
| Fuel capacity | 16.00 litres (4.23 gallons) |
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