Comparison of Simson 425 GS 1958 and Simson 425 GS 1957 [S]ave
| Attribute |  Simson 425 GS 1958 × | Simson 425 GS 1957 × |
|---|---|---|
| General | ||
| Production from (year) | 1958 | 1957 |
| Make | Simson | Simson |
| Model | Simson 425 GS | Simson 425 GS |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 247 | 247 |
| Power (kw) | 12.8 | 12.8 |
| Fuel consumption (l/100km) | 3.3 | 3.3 |
| Cooling system | Air | Air |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Bore (mm) | 68 | 68 |
| Stroke (mm) | 68 | 68 |
| Greenhouse gases | 76.6 CO2 g/km. (CO2 - Carbon dioxide emission) | 76.6 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Ignition | Magneto | Magneto |
| Chassis | ||
| Front suspension | Telescopic | Telescopic |
| Rear suspension | Swingarm | Swingarm |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 180 | 180 |
| Front tyre | 3.5-19 | 3.5-19 |
| Rear tyre | 4-18 | 4-18 |
| Seat | Single | Single |
| Dimensions | ||
| Dry weight (kg) | 157 | 157 |
| Power/weight ratio | 0.0815 | 0.0815 |
| Performance | ||
| Fuel capacity (l) | - | 16 |
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