| CAGIVA Roadster 521 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| air-cooled, two-stroke, single cylinder | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 125 cm3 | - |
| Bore X Stroke | |
| 2.2x2.0 in OR 56 mm | - |
| Compression Ratio | |
| 11.7:1 | - |
| Horsepower | |
| 16/7500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 13/9000 lb-ft/RPM OR 18/9000 Nm/RPM | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-speed, manual | - |
| Clutch | |
| wet multi-disc, manual | - |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| steel | Aluminium frame |
| Front Suspension | |
| telescopic fork | - |
| Rear Suspension | |
| adjustable mono-shock | - |
| Front Brake | |
| single 260mm disc | - |
| Rear Brake | |
| 160mm drum | - |
| dimension specs | |
| Weight | |
|---|---|
| 276 lbs OR 125 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.9 gallons OR 11.0 L | - |
| tyres specs | |
| Front | |
|---|---|
| 3,25-19 | - |
| Rear | |
| 140/90-15 | - |
