Comparison of Harley-Davidson Sport Twin 1920 and Harley-Davidson Sport Twin 1919 [S]ave
| Attribute |  Harley-Davidson Sport Twin 1920 × | Harley-Davidson Sport Twin 1919 × |
|---|---|---|
| General | ||
| Production from (year) | 1920 | 1919 |
| Make | Harley-Davidson | Harley-Davidson |
| Model | Harley-Davidson Sport Twin | Harley-Davidson Sport Twin |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Twin, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 590 | 590 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 69.9 | 69.9 |
| Stroke (mm) | 76.2 | 76.2 |
| Fuel control | Sidevalves | Sidevalves |
| Ignition | Magneto | Magneto |
| Clutch | Three speed | Three speed |
| Compression | 3.8:1 | 3.8:1 |
| Chassis | ||
| Front suspension | Trailing link with single downtube | Trailing link with single downtube |
| Rear suspension | Rigid | Rigid |
| Frame type | Tubular steel | Tubular steel |
| Front tyre | 3-26 | 3-26 |
| Rear tyre | 3-26 | 3-26 |
| Dimensions | ||
| Wheelbase (mm) | 1,448 | 1,448 |
| Dry weight (kg) | 120 | 120 |
| Performance | ||
| Fuel capacity (l) | 10 | 10 |
| Oil capacity (l) | - | 1.9 |
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