| Attribute | Aermacchi Chimera 250 1962 × | Ducati 160 Monza Junior 1965 × |
|---|---|---|
| General | ||
| Production from (year) | 1962 | 1965 |
| Make | Aermacchi | Ducati |
| Model | Aermacchi Chimera 250 | Ducati 160 Monza Junior |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 2 |
| Fuel system | Carburettor. DellÓrto | - |
| Displacement (cm³) | 246 | 156 |
| Power (kw) | 10 | 9.5 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 66 | 61 |
| Stroke (mm) | 72 | 52 |
| Fuel control | - | Overhead Cams (OHC) |
| Ignition | Bobine | Six volt coil |
| Clutch | - | Wet multiplate |
| Lubrication system | - | Dry sump |
| Compression | 7.0:1 | 8.2:1 |
| Exhaust system | - | Dry sump |
| Chassis | ||
| Front suspension | Telescopic | Telescopic fork |
| Rear suspension | - | Pivoted trolled by spring hydraulic adjustment |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 140 | 136 |
| Frame type | - | Steel single cradle |
| Front tyre | 2.50-17 | 2.75-16 |
| Rear tyre | 2.50-17 | 3.25-16 |
| Seat | Dual | Dual seatt |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Wheelbase (mm) | 1,360 | 1,295 |
| Dry weight (kg) | 125 | 121 |
| Power/weight ratio | 0.08 | 0.0785 |
| Performance | ||
| Top speed (km/h) | 120 | 115 |
| Fuel capacity (l) | - | 13 |