| Attribute | Ariel KH 500 Red Hunter 1952 × | NSU 501 SS 1928 × |
|---|---|---|
| General | ||
| Production from (year) | 1952 | 1928 |
| Make | Ariel | NSU |
| Model | Ariel KH 500 Red Hunter | NSU 501 SS |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 498 | 494 |
| Power (kw) | 20.5 | 14.6 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 56 | 80 |
| Stroke (mm) | 86 | 99 |
| Gearbox | 4-speed | - |
| Fuel control | Overhead Valves (OHV) | - |
| Ignition | Lucas | - |
| Clutch | Dry plate | - |
| Lubrication system | Dry sump | - |
| Compression | 7.5:1 | - |
| Exhaust system | 2-into-2 pipes | - |
| Chassis | ||
| Front suspension | Telescopic forks | - |
| Rear suspension | Rigid | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Duplex loop | - |
| Front tyre | 3.00-20 | 2.50-26 |
| Rear tyre | 3.50-19 | 3.25-26 |
| Seat | Solo seat with springs | Single |
| Wheels | Wire spoked | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,422 | 1,390 |
| Dry weight (kg) | 177 | 158 |
| Power/weight ratio | 0.1158 | 0.0924 |
| Performance | ||
| Top speed (km/h) | 145 | 125 |
| Fuel capacity (l) | 17 | 11 |