Comparison of Bimota DB 4 and Harley-Davidson Sportster XL Ironhead [S]ave
| Attribute |  Bimota DB 4 × |  Harley-Davidson Sportster XL Ironhead × |
|---|---|---|
| General | ||
| Production from (year) | 1999 | 1957 |
| Make | Bimota | Harley-Davidson |
| Model | Bimota DB 4 | Harley-Davidson Sportster XL Ironhead |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | V2, four-stroke | V2, four-stroke |
| Fuel system | - | Carburettor |
| Displacement (cm³) | 904 | 883 |
| Power (kw) | 58.4 | 29.2 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Gearbox | 6-speed | 4-speed |
| Fuel control | - | Overhead Valves (OHV) |
| Compression | - | 7.0:1 |
| Chassis | ||
| Front suspension | - | Hydraulic telescopic fork |
| Rear suspension | - | Swing-arm, twin hydraulic shocks |
| Front brakes | Dual disc | Expanding brake (drum brake) |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Frame type | - | Steel single downtube |
| Front tyre | - | 3.25-19 |
| Rear tyre | - | 3.25-19 |
| Wheels | - | Wire spoked |
| Other | ||
| Starter | - | Kick |
| Electrical Voltage (V) | - | 12 |
| Dimensions | ||
| Wheelbase (mm) | 1,370 | 1,448 |
| Dry weight (kg) | 165 | 224 |
| Power/weight ratio | 0.3539 | 0.1301 |
| Performance | ||
| Top speed (km/h) | 225 | 152 |
| Fuel capacity (l) | 20 | 16.6 |
| Oil capacity (l) | - | 2.8 |
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