| Attribute | Ariel KH 500 × | Sunbeam S8 500 1949 × |
|---|---|---|
| General | ||
| Production from (year) | 1948 | 1949 |
| Make | Ariel | Sunbeam |
| Model | Ariel KH 500 | Sunbeam S8 500 |
| Category | Allround | Sport touring |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Twin, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 498 | 487 |
| Power (kw) | 20.5 | 17.5 |
| Cooling system | Air | Oil & air |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Bore (mm) | 56 | 70 |
| Stroke (mm) | 86 | 63.5 |
| Gearbox | 4-speed | - |
| Fuel control | Overhead Valves (OHV) | Single Overhead Cams (SOHC) |
| Ignition | Lucas | - |
| Clutch | Dry plate | Dry singleplate |
| Lubrication system | Dry sump | Wet sump |
| Compression | 7.5:1 | 6.5:1 |
| Exhaust system | 2-into-2 pipes | - |
| Chassis | ||
| Front suspension | Telescopic forks | Telescopic |
| Rear suspension | Rigid | Plungers |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Duplex | Twin cradle |
| Front tyre | 3.00-20 | 4.50-16 |
| Rear tyre | 3.50-19 | 4.50-16 |
| Seat | Solo seat | Two single seats |
| Wheels | Wire spoked | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,422 | 1,400 |
| Dry weight (kg) | 177 | 187 |
| Power/weight ratio | 0.1158 | 0.0936 |
| Performance | ||
| Top speed (km/h) | 145 | 120 |
| Fuel capacity (l) | 17 | - |