Comparison of Aermacchi Chimera 250 1961 and Ardie BD 201 1955 [S]ave
| Attribute |  Aermacchi Chimera 250 1961 × |  Ardie BD 201 1955 × |
|---|---|---|
| General | ||
| Production from (year) | 1961 | 1955 |
| Make | Aermacchi | Ardie |
| Model | Aermacchi Chimera 250 | Ardie BD 201 |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. DellÓrto | Carburettor |
| Displacement (cm³) | 246 | 194 |
| Power (kw) | 10 | 8.8 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 66 | 64 |
| Stroke (mm) | 72 | 61 |
| Ignition | Bobine | Magneto |
| Compression | 7.0:1 | 6.9:1 |
| Chassis | ||
| Front suspension | Telescopic | Hydraulic telescopic |
| Rear suspension | - | Twin shock |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 140 | 180 |
| Frame type | - | Single cradle |
| Front tyre | 2.50-17 | 3-19 |
| Rear tyre | 2.50-17 | 3-19 |
| Seat | Dual | Two single seats |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Dry weight (kg) | 125 | 131 |
| Power/weight ratio | 0.08 | 0.0672 |
| Overall height (mm) | 1,000 | 980 |
| Overall length (mm) | 2,000 | 2,030 |
| Overall width (mm) | 610 | 670 |
| Performance | ||
| Top speed (km/h) | 120 | - |
| Fuel capacity (l) | - | 13.5 |
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