| Attribute | Puch 250 SGS 67 1954 × | Simson 425 T 1959 × |
|---|---|---|
| General | ||
| Production from (year) | 1954 | 1959 |
| Make | Puch | Simson |
| Model | Puch 250 SGS 67 | Simson 425 T |
| Category | Sport | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 248 | 247 |
| Power (kw) | 12 | 8.8 |
| Cooling system | - | Air |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Torque (Nm) | 16.8 | - |
| Bore (mm) | 78 | 68 |
| Stroke (mm) | 45 | 68 |
| Gearbox | 4-speed | - |
| Ignition | - | Magneto |
| Compression | 6.5:1 | - |
| Chassis | ||
| Front suspension | Telescopic | - |
| Rear suspension | Swingarm | - |
| Front brakes | - | Expanding brake (drum brake) |
| Rear brakes | - | Expanding brake (drum brake) |
| Frame type | - | Steel |
| Front tyre | 3-16 | 3.25-19 |
| Rear tyre | 3.50-16 | 3.25-19 |
| Seat | Dual | Single |
| Wheels | Spoked | Spoked |
| Dimensions | ||
| Dry weight (kg) | 150 | 140 |
| Power/weight ratio | 0.08 | 0.0629 |
| Performance | ||
| Top speed (km/h) | 110 | 100 |
| Fuel capacity (l) | 13 | 12 |