| Attribute | Triumph Thunderbird Sport 1999 × | Harley-Davidson Sportster XL Ironhead × |
|---|---|---|
| General | ||
| Production from (year) | 1999 | 1957 |
| Make | Triumph | Harley-Davidson |
| Model | Triumph Thunderbird Sport | Harley-Davidson Sportster XL Ironhead |
| Category | Naked bike | Sport |
| Engine and transmission | ||
| Engine type | In-line three, four-stroke | V2, four-stroke |
| Fuel system | - | Carburettor |
| Displacement (cm³) | 885 | 883 |
| Power (kw) | 59.9 | 29.2 |
| Cooling system | Liquid | 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) | 1,580 | 1,448 |
| Dry weight (kg) | 224 | 224 |
| Power/weight ratio | 0.2674 | 0.1301 |
| Performance | ||
| Top speed (km/h) | 165 | 152 |
| Fuel capacity (l) | 17 | 16.6 |
| Oil capacity (l) | - | 2.8 |