| VESPA PRIMAVERA 50 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single cylinder Hi-Per4 4-stroke with 3-way catalytic converter and secondary air system SAS | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 49.9 cm3 | - |
| Bore X Stroke | |
| 1.5x1.6 in OR 38 mm | - |
| Horsepower | |
| 4.6/9500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 2.8/8000 lb-ft/RPM OR 4/8000 Nm/RPM | - |
| Fuel System | |
| Electronic injection | - |
| transmission specs | |
| Gearbox | |
|---|---|
| Automatic CVT | - |
| Clutch | |
| Automatic dry centrifugal clutch with vibration dampers | - |
| Final Drive | |
| Belt | - |
| chassis specs | |
| Frame | |
|---|---|
| Sheet metal body with welded reinforcements | Aluminium frame |
| Front Suspension | |
| Single arm with coil spring and dual action monoshock absorber - axial stroke 78 mm | - |
| Rear Suspension | |
| Hydraulic monoshock - axial stroke 69 mm | - |
| Front Brake | |
| Hydraulically operated 200 mm stainless steel disc | - |
| Rear Brake | |
| Mechanically operated 140 mm drum | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 73.2 in OR 1859 mm | - |
| Overall Width | |
| 28.9 in OR 734 mm | - |
| Seat Height | |
| 30.7 in OR 780 mm | - |
| Weight | |
| - | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 1.8 gallons OR 6.8 L | - |
| Wheelbase | |
| 52.8 in OR 1341 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 110/70 - 11 | - |
| Rear | |
| 120/70 - 11 | - |
