Comparison of Hercules 311 1950 and Lambretta 125LD Series 3 1957 [S]ave
| Attribute |  Hercules 311 1950 × |  Lambretta 125LD Series 3 1957 × |
|---|---|---|
| General | ||
| Production from (year) | 1950 | 1957 |
| Make | Hercules | Lambretta |
| Model | Hercules 311 | Lambretta 125LD Series 3 |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Bing 18mm | Carburettor. DellÓrto |
| Displacement (cm³) | 123 | 125 |
| Power (kw) | 3.6 | 3.6 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 52 | 52 |
| Stroke (mm) | 58 | 58 |
| Gearbox | - | 3-speed |
| Ignition | - | Contact breaker and points |
| Clutch | - | 3 speed- hand changed |
| Lubrication system | - | 6% |
| Compression | - | 6.3:1 |
| Chassis | ||
| Front suspension | Telescopic | - |
| Rear suspension | Rigid | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | - | Tubular steel |
| Front tyre | 2.50-19 | 4-8 |
| Rear tyre | 2.50-19 | 4-8 |
| Seat | Single | Dual seat |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Dry weight (kg) | 90 | 88 |
| Power/weight ratio | 0.04 | 0.0409 |
| Performance | ||
| Top speed (km/h) | 75 | 74 |
| Fuel capacity (l) | 10.5 | - |
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