Comparison of Aermacchi Chimera 250 1962 and Vespa 180 Rally 1968 [S]ave
| Attribute |  Aermacchi Chimera 250 1962 × |  Vespa 180 Rally 1968 × |
|---|---|---|
| General | ||
| Production from (year) | 1962 | 1968 |
| Make | Aermacchi | Vespa |
| Model | Aermacchi Chimera 250 | Vespa 180 Rally |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. DellÓrto | Carburettor |
| Displacement (cm³) | 246 | 180.7 |
| Power (kw) | 10 | 7.5 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 66 | 63.5 |
| Stroke (mm) | 72 | 57 |
| Gearbox | - | 4-speed |
| Fuel control | - | Rotary valves |
| Ignition | Bobine | - |
| Compression | 7.0:1 | 7.7:1 |
| Chassis | ||
| Front suspension | Telescopic | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 140 | 150 |
| Front tyre | 2.50-17 | - |
| Rear tyre | 2.50-17 | - |
| Seat | Dual | Dual |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Wheelbase (mm) | 1,360 | 1,230 |
| Dry weight (kg) | 125 | 106 |
| Power/weight ratio | 0.08 | 0.0704 |
| Performance | ||
| Top speed (km/h) | 120 | 104 |
| Fuel capacity (l) | - | 8.2 |
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