Comparison of Simson 425 T 1959 and Yamaha DT 250 1972 [S]ave
| Attribute |  Yamaha DT 250 1972 × |  Simson 425 T 1959 × |
|---|---|---|
| General | ||
| Production from (year) | 1972 | 1959 |
| Make | Yamaha | Simson |
| Model | Yamaha DT 250 | Simson 425 T |
| Category | Enduro / offroad | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. VM26SH Mikuni | Carburettor |
| Displacement (cm³) | 246 | 247 |
| Power (kw) | 16.8 | 8.8 |
| Fuel consumption (l/100km) | 2.5 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Torque (Nm) | 17.5 | - |
| Bore (mm) | 70 | 68 |
| Stroke (mm) | 64 | 68 |
| Gearbox | 5-speed | - |
| Greenhouse gases | 58.0 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Fuel control | Port control | - |
| Ignition | contact breaker point | Magneto |
| Clutch | wet plate | - |
| Compression | 6.4:1 | - |
| Chassis | ||
| 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 | 4.00-18 | 3.25-19 |
| Seat | - | Single |
| Wheels | - | Spoked |
| Other | ||
| Starter | Kick | - |
| Color options |
| - |
| Dimensions | ||
| Dry weight (kg) | 111 | 140 |
| Power/weight ratio | 0.1512 | 0.0629 |
| Performance | ||
| Top speed (km/h) | 112 | 100 |
| Fuel capacity (l) | 9.46 | 12 |
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