Comparison of Sunbeam S7 500 1956 and Zündapp K 500 1936 [S]ave
| Attribute |  Sunbeam S7 500 1956 × |  Zündapp K 500 1936 × |
|---|---|---|
| General | ||
| Production from (year) | 1956 | 1936 |
| Make | Sunbeam | Zündapp |
| Model | Sunbeam S7 500 | Zündapp K 500 |
| Category | Sport touring | Allround |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Two cylinder boxer, four-stroke |
| Fuel system | Carburettor | Carburettor. Bing 22mm |
| Displacement (cm³) | 487 | 498 |
| Power (kw) | 17.5 | 11.7 |
| Cooling system | Oil & air | Air |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Bore (mm) | 70 | 69 |
| Stroke (mm) | 63.5 | 66.6 |
| Gearbox | - | 4-speed |
| Fuel control | Overhead Cams (OHC) | - |
| Clutch | Dry singleplate | - |
| Lubrication system | Wet sump | - |
| Compression | 6.5:1 | - |
| Chassis | ||
| Front suspension | Telescopic | Telescopic |
| Rear suspension | Plungers | Rigid |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Twin cradle | - |
| Front tyre | 4.50-16 | 3.50-19 |
| Rear tyre | 4.50-16 | 3.50-19 |
| Seat | Single | Two single seats |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Color options |
| - |
| Dimensions | ||
| Dry weight (kg) | 194 | 180 |
| Power/weight ratio | 0.0902 | 0.065 |
| Performance | ||
| Top speed (km/h) | 121 | 105 |
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