| HARLEY-DAVIDSON SST 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 | |
| 242 cm3 | - |
| Bore X Stroke | |
| 2.8x2.4 in OR 71 mm | - |
| Compression Ratio | |
| 10.3:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| 32mm DellOrto carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-speed, manual | - |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| steel | Aluminium frame |
| Front Suspension | |
| oil-damped Ceriani telescopic fork | - |
| Rear Suspension | |
| Betor adjustable shock absorbers | - |
| Front Brake | |
| single disc | - |
| Rear Brake | |
| drum | - |
| dimension specs | |
| Weight | |
|---|---|
| 251 lbs OR 114 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.6 gallons OR 9.8 L | - |
| tyres specs | |
| Front | |
|---|---|
| 3.25 -19 | - |
| Rear | |
| 4.00 -18 | - |
