Comparison of Simson S51 B1-4 and Tomos Streetmate 50 [S]ave
| Attribute |  Simson S51 B1-4 × |  Tomos Streetmate 50 × |
|---|---|---|
| General | ||
| Production from (year) | 1980 | 2006 |
| Make | Simson | Tomos |
| Model | Simson S51 B1-4 | Tomos Streetmate 50 |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | - |
| Displacement (cm³) | 49.8 | 50 |
| Power (kw) | 2.7 | 2.2 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | - |
| Gearbox | 4-speed | Automatic |
| Ignition | Electronic | - |
| Chassis | ||
| Front brakes | Expanding brake (drum brake) | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Steel Frame | - |
| Other | ||
| Starter | Kick | Electric |
| Color options |
| - |
| Dimensions | ||
| Dry weight (kg) | 78 | 65 |
| Power/weight ratio | 0.0344 | 0.0338 |
| Performance | ||
| Top speed (km/h) | 60 | 45 |
| Reserve fuel capacity (l) | 0.7 | 0.5 |
| Fuel capacity (l) | 8.7 | 3.5 |
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