Comparison of Aermacchi H-D 250 Ala Azzurra 1964 and Velocette Valiant 1956 [S]ave
| Attribute |  Velocette Valiant 1956 × |  Aermacchi H-D 250 Ala Azzurra 1964 × |
|---|---|---|
| General | ||
| Production from (year) | 1956 | 1964 |
| Make | Velocette | Aermacchi |
| Model | Velocette Valiant | Aermacchi H-D 250 Ala Azzurra |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Two cylinder boxer, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 192 | 246 |
| Power (kw) | 8.8 | 10 |
| Cooling system | Air | Air |
| Transmission type,final drive | Shaft drive (cardan) | - |
| Bore (mm) | 50 | - |
| Stroke (mm) | 49 | - |
| Fuel control | Overhead Valves (OHV) | - |
| Clutch | Dry plate | Wet multiplate |
| Lubrication system | - | Bobine |
| Compression | 8.0:1 | 7.0:1 |
| Chassis | ||
| Front suspension | Hydralic telescopic forks | Telescopic |
| Rear suspension | Twin shock | Swingarm-two shocks |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake). Simplex |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake). Simplex |
| Diameter (mm) | 130 | 160 |
| Frame type | - | Single cradle |
| Front tyre | 3.25-18 | 2.50-17 |
| Rear tyre | 3.25-18 | 3-17 |
| Seat | Dual seat | Dual |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Dry weight (kg) | 116 | 114 |
| Power/weight ratio | 0.0759 | 0.0877 |
| Overall height (mm) | 965 | 950 |
| Overall length (mm) | 2,006 | 1,920 |
| Overall width (mm) | 724 | 700 |
| Performance | ||
| Top speed (km/h) | 110 | 125 |
| Fuel capacity (l) | 12 | - |
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