Comparison of Moto Guzzi Regolarita 250 1959 and Yamaha YDS 3 1964 [S]ave
| Attribute |  Moto Guzzi Regolarita 250 1959 × |  Yamaha YDS 3 1964 × |
|---|---|---|
| General | ||
| Production from (year) | 1959 | 1964 |
| Make | Moto Guzzi | Yamaha |
| Model | Moto Guzzi Regolarita 250 | Yamaha YDS 3 |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Twin, two-stroke |
| Fuel system | Carburettor. DellÓrto | - |
| Displacement (cm³) | 247 | 246 |
| Power (kw) | 12.4 | 17.5 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 68 | 50 |
| Stroke (mm) | 68 | 56 |
| Gearbox | 5-speed | - |
| Fuel control | Overhead Valves (OHV) | - |
| Clutch | Wet multiplate | Wet multiplate |
| Compression | - | 7.5:1 |
| Chassis | ||
| Front suspension | Telescopic fork | Telescopic-Hydraulic damping |
| Rear suspension | Dual chocks | Swingarm-two shocks |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Front tyre | 2.50-18 | 3-18 |
| Rear tyre | 3.00-17 | 3-18 |
| Seat | Single Seat | Dual |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,314 | 1,318 |
| Dry weight (kg) | 101 | 156 |
| Power/weight ratio | 0.1228 | 0.1122 |
| Performance | ||
| Top speed (km/h) | 132 | 132 |
| Fuel capacity (l) | 12 | 11.36 |
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