Comparison of DKW Hobby Luxus 1954 and Yamaha U7E 1972 [S]ave
| Attribute |  Yamaha U7E 1972 × |  DKW Hobby Luxus 1954 × |
|---|---|---|
| General | ||
| Production from (year) | 1972 | 1954 |
| Make | Yamaha | DKW |
| Model | Yamaha U7E | DKW Hobby Luxus |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | - | Carburettor. Bing |
| Displacement (cm³) | 72 | 74 |
| Power (kw) | 3.6 | 2.2 |
| Cooling system | Air | Air |
| Bore (mm) | 47 | 45 |
| Stroke (mm) | 42 | 47 |
| Gearbox | 3-speed | - |
| Compression | 6.8:1 | 6.1:1 |
| Chassis | ||
| Front suspension | - | Telescopic |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Front tyre | 225-17 | 2.50-16 |
| Rear tyre | 250-17 | 2.50-16 |
| Seat | - | Two single seats |
| Wheels | - | Spoked |
| Dimensions | ||
| Dry weight (kg) | 77 | 80 |
| Power/weight ratio | 0.0468 | 0.0275 |
| Performance | ||
| Top speed (km/h) | 85 | 60 |
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