Comparison of Bridgestone 350 GTO 1968 and Sunbeam S8 500 1956 [S]ave
| Attribute |  Sunbeam S8 500 1956 × | Bridgestone 350 GTO 1968 × |
|---|---|---|
| General | ||
| Production from (year) | 1956 | 1968 |
| Make | Sunbeam | Bridgestone |
| Model | Sunbeam S8 500 | Bridgestone 350 GTO |
| Category | Sport touring | Allround |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Twin, two-stroke |
| Fuel system | Carburettor | Carburettor. Amal |
| Displacement (cm³) | 487 | 350 |
| Power (kw) | 17.5 | 29.2 |
| Cooling system | Oil & air | - |
| Transmission type,final drive | Shaft drive (cardan) | Chain |
| Bore (mm) | 70 | 61 |
| Stroke (mm) | 63.5 | 59 |
| Fuel control | Single Overhead Cams (SOHC) | Rotary valves |
| Clutch | Dry singleplate | Dry multiplate |
| Lubrication system | Wet sump | - |
| Compression | 6.5:1 | 9.3:1 |
| Chassis | ||
| Front suspension | Telescopic | Telescopic |
| Rear suspension | Plungers | Swingarm |
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Frame type | Twin cradle | - |
| Front tyre | - | 3.25-19 |
| Rear tyre | - | 3.25-19 |
| Seat | Two single seats | Dual |
| Wheels | Spoked | Spoked |
| Dimensions | ||
| Wheelbase (mm) | 1,400 | 1,372 |
| Performance | ||
| Fuel capacity (l) | - | 14.38 |
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