| Attribute | Lambretta LDA150 series 3 1957 × | Zündapp Bella 151 1955 × |
|---|---|---|
| General | ||
| Production from (year) | 1957 | 1955 |
| Make | Lambretta | Zündapp |
| Model | Lambretta LDA150 series 3 | Zündapp Bella 151 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. DellÓrto | Carburettor |
| Displacement (cm³) | 148 | 147 |
| Power (kw) | 4.4 | 5.3 |
| Cooling system | Air | - |
| Bore (mm) | 57 | 57 |
| Stroke (mm) | 58 | 58 |
| Gearbox | 3-speed | - |
| Ignition | Contact breaker and points | - |
| Clutch | 3 speed- hand changed | - |
| Lubrication system | 6% | - |
| Chassis | ||
| Front suspension | - | Telescopic |
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Frame type | Tubular steel | - |
| Front tyre | 4-8 | 3.50-12 |
| Rear tyre | 4-8 | 3.50-12 |
| Seat | Dual seat | Dual |
| Wheels | - | Spoked |
| Other | ||
| Starter | Electric | - |
| Dimensions | ||
| Dry weight (kg) | 109 | 141 |
| Power/weight ratio | 0.0401 | 0.0376 |
| Performance | ||
| Top speed (km/h) | 78 | 80 |