| APRILIA RC 250 | 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 | |
| 244 cm3 | - |
| Bore X Stroke | |
| 2.8x2.4 in OR 71 mm | - |
| Compression Ratio | |
| 12:1 | - |
| Horsepower | |
| 38/8250 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 25/7750 lb-ft/RPM OR 34/7750 Nm/RPM | - |
| Fuel System | |
| DellOrto PHBE36 carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-speed, manual | - |
| Clutch | |
| wet multi-disc, manual | - |
| Primary Drive | |
| gears | - |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| steel | Aluminium frame |
| Front Suspension | |
| 35mm Marzocchi telescopic fork | - |
| Rear Suspension | |
| adjustable dual shocks | - |
| Front Brake | |
| 140mm drum | - |
| Rear Brake | |
| 140mm drum | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 84.3 in OR 2141 mm | - |
| Seat Height | |
| 35.8 in OR 909 mm | - |
| Ground Clearance | |
| 11.8 in OR 300 mm | - |
| Weight | |
| 231 lbs OR 105 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.1 gallons OR 7.9 L | - |
| Wheelbase | |
| 57.9 in OR 1471 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 3.00 - 21 | - |
| Rear | |
| 4.50 - 18 | - |
