Attribute | ![]() Sunbeam S8 500 1950 × | ![]() Sunbeam S8 500 1949 × |
---|---|---|
General | ||
Production from (year) | 1950 | 1949 |
Make | Sunbeam | Sunbeam |
Model | Sunbeam S8 500 | Sunbeam S8 500 |
Category | Sport touring | Sport touring |
Engine and transmission | ||
Engine type | Twin, four-stroke | Twin, four-stroke |
Fuel system | Carburettor | Carburettor |
Displacement (cm³) | 487 | 487 |
Power (kw) | 17.5 | 17.5 |
Cooling system | Oil & air | Oil & air |
Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
Bore (mm) | 70 | 70 |
Stroke (mm) | 63.5 | 63.5 |
Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
Clutch | Dry singleplate | Dry singleplate |
Lubrication system | Wet sump | Wet sump |
Compression | 6.5:1 | 6.5:1 |
Chassis | ||
Front suspension | Telescopic | Telescopic |
Rear suspension | Plungers | Plungers |
Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Frame type | Twin cradle | Twin cradle |
Front tyre | 4.50-16 | 4.50-16 |
Rear tyre | 4.50-16 | 4.50-16 |
Seat | Two single seats | Two single seats |
Wheels | Spoked | Spoked |
Other | ||
Starter | Kick | Kick |
Dimensions | ||
Wheelbase (mm) | 1,400 | 1,400 |
Dry weight (kg) | 187 | 187 |
Power/weight ratio | 0.0936 | 0.0936 |
Performance | ||
Top speed (km/h) | 120 | 120 |