Attribute | ![]() Zündapp DB 255 Elastic 250 1955 × | ![]() Simson 425 T 1960 × |
---|---|---|
General | ||
Production from (year) | 1955 | 1960 |
Make | Zündapp | Simson |
Model | Zündapp DB 255 Elastic 250 | 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) | 246 | 247 |
Power (kw) | 9.5 | 8.8 |
Cooling system | - | Air |
Transmission type,final drive | - | Shaft drive (cardan) |
Bore (mm) | 67 | 68 |
Stroke (mm) | 70 | 68 |
Ignition | - | Magneto |
Chassis | ||
Front suspension | Telescopic | - |
Rear suspension | Two schock | - |
Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Frame type | - | Steel |
Front tyre | 3.25-19 | 3.25-19 |
Rear tyre | 3.25-19 | 3.25-19 |
Seat | Dual | Single |
Wheels | - | Spoked |
Dimensions | ||
Dry weight (kg) | 147 | 140 |
Power/weight ratio | 0.0646 | 0.0629 |
Performance | ||
Top speed (km/h) | 100 | 100 |