Comparison of Hercules A 175 1958 and Velocette Valiant 1957 [S]ave
| Attribute |  Hercules A 175 1958 × |  Velocette Valiant 1957 × |
|---|---|---|
| General | ||
| Production from (year) | 1958 | 1957 |
| Make | Hercules | Velocette |
| Model | Hercules A 175 | Velocette Valiant |
| Category | Sport | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Two cylinder boxer, four-stroke |
| Fuel system | Carburettor. Bing 24mm | Carburettor |
| Displacement (cm³) | 173 | 192 |
| Power (kw) | 6.8 | 8.8 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Bore (mm) | 62 | 50 |
| Stroke (mm) | 58 | 49 |
| Gearbox | 4-speed | - |
| Fuel control | - | Overhead Valves (OHV) |
| Ignition | Bobine | - |
| Clutch | Wet multiplate | Dry plate |
| Compression | - | 8.0:1 |
| Chassis | ||
| Front suspension | Telescopic | Hydralic telescopic forks |
| Rear suspension | Swingarm | Twin shock |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 150 | 130 |
| Front tyre | 3.25-16 | 3.25-18 |
| Rear tyre | 3.50-16 | 3.25-18 |
| Seat | Dual | Dual seat |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Dry weight (kg) | 140 | 116 |
| Power/weight ratio | 0.0486 | 0.0759 |
| Performance | ||
| Top speed (km/h) | 90 | 110 |
| Fuel capacity (l) | 11.5 | 12 |
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