| Attribute | Lambretta LD150 series 3 1958 × | Lambretta LD150 series 3 1957 × |
|---|---|---|
| General | ||
| Production from (year) | 1958 | 1957 |
| Make | Lambretta | Lambretta |
| Model | Lambretta LD150 series 3 | Lambretta LD150 series 3 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. DellÓrto | Carburettor. DellÓrto |
| Displacement (cm³) | 148 | 148 |
| Power (kw) | 4.4 | 4.4 |
| Cooling system | Air | Air |
| Bore (mm) | 57 | 57 |
| Stroke (mm) | 58 | 58 |
| Gearbox | 3-speed | 3-speed |
| Ignition | Contact breaker and points | Contact breaker and points |
| Clutch | 3 speed- hand changed | 3 speed- hand changed |
| Lubrication system | 6% | 6% |
| Compression | 6.5:1 | 6.5:1 |
| Chassis | ||
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Tubular steel | Tubular steel |
| Front tyre | 4-8 | 4-8 |
| Rear tyre | 4-8 | 4-8 |
| Seat | Dual seat | Dual seat |
| Dimensions | ||
| Dry weight (kg) | 89 | 89 |
| Power/weight ratio | 0.049 | 0.049 |
| Performance | ||
| Top speed (km/h) | 78 | 78 |