Cagiva Roadster 521
| Make Model | Cagiva Roadster 521 |
| Year | 1993 |
| Engine | Air cooled, Single cylinder, two stroke |
| Capacity | 125 |
| Bore x Stroke | 56 x 50.6 mm |
| Compression Ratio | 11.7:1 |
| Induction | |
| Ignition / Starting | Electronic CDI |
| Max Power | 15.5 hp @ 7500 rpm |
| Max Torque | 18 Nm @ 9000 rpm |
| Transmission / Drive | 6 Speed / chain |
| Front Suspension | Hydraulic telescopic fork |
| Rear Suspension | Single-shock Soft-Damp |
| Front Brakes | Single 260mm disc |
| Rear Brakes | 160mm drum |
| Front Tyre | 3,25-19 |
| Rear Tyre | 140/90-15 |
| Dry-Weight | 125 kg |
| Fuel Capacity | 11 Litres |
| Consumption average | 22.0 km/lit |
| Braking 60 - 0 / 100 - 0 | 13.3 m / 39.9 m |
| Standing ? Mile | 18.6 sec / 104.0 km/h |
| Top Speed | 113.0 km/h |