| Attribute | Harley-Davidson Model S 1931 × | Mustang Thoroughbred 1960 × |
|---|---|---|
| General | ||
| Production from (year) | 1931 | 1960 |
| Make | Harley-Davidson | Mustang |
| Model | Harley-Davidson Model S | Mustang Thoroughbred |
| Category | Enduro / offroad | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 345 | 320 |
| Transmission type,final drive | Chain | - |
| Gearbox | - | 4-speed |
| Fuel control | Overhead Valves (OHV) | Sidevalves |
| Exhaust system | No pipes | - |
| Chassis | ||
| Rear suspension | - | Swingarm |
| Front tyre | 2.5-28 | - |
| Rear tyre | 2.5-28 | - |
| Seat | Single | Dual |
| Wheels | Spoked | Spoked |
| Performance | ||
| Top speed (km/h) | 137 | 97 |