| DERBI DXR 250 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| air-cooled, four-stroke, twin cylinder | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 234 cm3 | - |
| Bore X Stroke | |
| 2.1x2.1 in OR 53 mm | - |
| Compression Ratio | |
| 9.2:1 | - |
| Horsepower | |
| 19/7500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 19/5500 lb-ft/RPM OR 26/5500 Nm/RPM | - |
| Fuel System | |
| Keihin carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-speed, manual | - |
| Clutch | |
| multi-disc | - |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| steel | Aluminium frame |
| Front Suspension | |
| double-braced, independenly adjustable | - |
| Rear Suspension | |
| single-braced unitrack system | - |
| Front Brake | |
| single disc | - |
| Rear Brake | |
| single disc | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 64.6 in OR 1641 mm | - |
| Overall Width | |
| 40.7 in OR 1034 mm | - |
| Seat Height | |
| 31.1 in OR 790 mm | - |
| Ground Clearance | |
| 9.4 in OR 239 mm | - |
| Weight | |
| 397 lbs OR 180 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.1 gallons OR 7.9 L | - |
| Wheelbase | |
| 42.5 in OR 1080 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 21x7-10 | - |
| Rear | |
| 21x10-10 | - |
