Comparison of Aermacchi H-D 250 Ala Azzurra 1961 and Velocette Valiant 1956 [S]ave
| Attribute |  Aermacchi H-D 250 Ala Azzurra 1961 × |  Velocette Valiant 1956 × |
|---|---|---|
| General | ||
| Production from (year) | 1961 | 1956 |
| Make | Aermacchi | Velocette |
| Model | Aermacchi H-D 250 Ala Azzurra | Velocette Valiant |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Two cylinder boxer, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 246 | 192 |
| Power (kw) | 10 | 8.8 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Bore (mm) | - | 50 |
| Stroke (mm) | - | 49 |
| Gearbox | 4-speed | - |
| Fuel control | - | Overhead Valves (OHV) |
| Clutch | Wet multiplate | Dry plate |
| Lubrication system | Bobine | - |
| Compression | 7.0:1 | 8.0:1 |
| Chassis | ||
| Front suspension | Telescopic | Hydralic telescopic forks |
| Rear suspension | Swingarm-two shocks | Twin shock |
| Front brakes | Expanding brake (drum brake). Simplex | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake). Simplex | Expanding brake (drum brake) |
| Diameter (mm) | 160 | 130 |
| Frame type | Single cradle | - |
| Front tyre | 2.50-17 | 3.25-18 |
| Rear tyre | 3-17 | 3.25-18 |
| Seat | Dual | Dual seat |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Dry weight (kg) | 114 | 116 |
| Power/weight ratio | 0.0877 | 0.0759 |
| Overall height (mm) | 950 | 965 |
| Overall length (mm) | 1,920 | 2,006 |
| Overall width (mm) | 700 | 724 |
| Performance | ||
| Top speed (km/h) | 125 | 110 |
| Fuel capacity (l) | 18 | 12 |
Help · Contact us · Disclaimer · Contributors · Developers · Donate