| Attribute | Panther M 120 1966 × | Harley-Davidson Sport Twin 1919 × |
|---|---|---|
| General | ||
| Production from (year) | 1966 | 1919 |
| Make | Panther | Harley-Davidson |
| Model | Panther M 120 | Harley-Davidson Sport Twin |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Twin, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 649 | 590 |
| Power (kw) | 19.7 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 88 | 69.9 |
| Stroke (mm) | 106 | 76.2 |
| Fuel control | Overhead Valves (OHV) | Sidevalves |
| Ignition | - | Magneto |
| Clutch | - | Three speed |
| Compression | 6.5:1 | 3.8:1 |
| Chassis | ||
| Front suspension | Telescopic | Trailing link with single downtube |
| Rear suspension | Swingarm | Rigid |
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Frame type | - | Tubular steel |
| Front tyre | 3-19 | 3-26 |
| Rear tyre | 3-19 | 3-26 |
| Dimensions | ||
| Wheelbase (mm) | 1,499 | 1,448 |
| Dry weight (kg) | 209 | 120 |
| Power/weight ratio | 0.0942 | - |
| Performance | ||
| Fuel capacity (l) | - | 10 |
| Oil capacity (l) | - | 1.9 |