Comparison of Hercules 311 1951 and Lambretta 125LDA Series 2 [S]ave
| Attribute |  Lambretta 125LDA Series 2 × | Hercules 311 1951 × |
|---|---|---|
| General | ||
| Production from (year) | 1954 | 1951 |
| Make | Lambretta | Hercules |
| Model | Lambretta 125LDA Series 2 | Hercules 311 |
| Category | Scooter | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. DellÓrto | Carburettor. Bing 18mm |
| Displacement (cm³) | 125 | 123 |
| 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 | 4-8 | 2.50-19 |
| Rear tyre | 4-8 | 2.50-19 |
| Seat | Dual seat | Single |
| Wheels | - | Spoked |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Dry weight (kg) | 95 | 90 |
| Power/weight ratio | 0.0378 | 0.04 |
| Performance | ||
| Top speed (km/h) | 74 | 75 |
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