| SIMSON S 51 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single Cylinder, 2 Stroke | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 50 cm3 | - |
| Horsepower | |
| 3.75/5500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 4/4800 lb-ft/RPM OR 5/4800 Nm/RPM | - |
| Fuel System | |
| Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 3-Speed | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| - | Aluminium frame |
| Front Suspension | |
| Telescopic forks | - |
| Rear Suspension | |
| Roller with spring legs | - |
| Front Brake | |
| Drum | - |
| Rear Brake | |
| Drum | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 74.4 in OR 1890 mm | - |
| Overall Width | |
| 34.6 in OR 879 mm | - |
| Weight | |
| 185 lbs OR 84 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.3 gallons OR 8.7 L | - |
| Wheelbase | |
| 47.6 in OR 1209 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 2.75-16R | - |
| Rear | |
| 2.75-16R | - |
