Comparison of Aermacchi 250 Ala Verde Serie 1 1967 and Yamaha YDS 3 1965 [S]ave
| Attribute |  Aermacchi 250 Ala Verde Serie 1 1967 × |  Yamaha YDS 3 1965 × |
|---|---|---|
| General | ||
| Production from (year) | 1967 | 1965 |
| Make | Aermacchi | Yamaha |
| Model | Aermacchi 250 Ala Verde Serie 1 | Yamaha YDS 3 |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Twin, two-stroke |
| Fuel system | Carburettor | - |
| Displacement (cm³) | 246.2 | 246 |
| Power (kw) | 11.7 | 17.5 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 66 | 50 |
| Stroke (mm) | 72 | 56 |
| Clutch | - | Wet multiplate |
| Compression | 8.5:1 | 7.5:1 |
| Chassis | ||
| Front suspension | Telescopic | Telescopic-Hydraulic damping |
| Rear suspension | Swingarm-two shocks | 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) |
| Frame type | Single cradle | - |
| Front tyre | 2.50-17 | 3-18 |
| Rear tyre | 2.50-17 | 3-18 |
| Seat | Dual | Dual |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,270 | 1,318 |
| Dry weight (kg) | 114 | 156 |
| Power/weight ratio | 0.1026 | 0.1122 |
| Performance | ||
| Top speed (km/h) | 140 | 132 |
| Fuel capacity (l) | - | 11.36 |
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