| Attribute | Aermacchi H-D 250 Ala Azzurra 1963 × | Aermacchi Chimera 250 1961 × |
|---|---|---|
| General | ||
| Production from (year) | 1963 | 1961 |
| Make | Aermacchi | Aermacchi |
| Model | Aermacchi H-D 250 Ala Azzurra | Aermacchi Chimera 250 |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor. DellÓrto |
| Displacement (cm³) | 246 | 246 |
| Power (kw) | 10 | 10 |
| Cooling system | Air | Air |
| Transmission type,final drive | - | Chain |
| Bore (mm) | - | 66 |
| Stroke (mm) | - | 72 |
| Ignition | - | Bobine |
| Clutch | Wet multiplate | - |
| Lubrication system | Bobine | - |
| Compression | 7.0:1 | 7.0:1 |
| Chassis | ||
| Front suspension | Telescopic | Telescopic |
| Rear suspension | Swingarm-two shocks | - |
| 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 | 140 |
| Frame type | Single cradle | - |
| Front tyre | 2.50-17 | 2.50-17 |
| Rear tyre | 3-17 | 2.50-17 |
| Seat | Dual | Dual |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Dry weight (kg) | 114 | 125 |
| Power/weight ratio | 0.0877 | 0.08 |
| Overall height (mm) | 950 | 1,000 |
| Overall length (mm) | 1,920 | 2,000 |
| Overall width (mm) | 700 | 610 |
| Performance | ||
| Top speed (km/h) | 125 | 120 |
| Fuel capacity (l) | 18 | - |