| YAMAHA RX 180 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Air Cooled, Single Cylinder, 2 Stroke | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 176 cm3 | - |
| Bore X Stroke | |
| 2.5x2.1 in OR 64 mm | - |
| Compression Ratio | |
| 7:1 | - |
| Horsepower | |
| 18/7500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Fuel System | |
| Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed | - |
| Clutch | |
| Wet multiplate | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| - | Aluminium frame |
| Front Suspension | |
| Ceriani telescopic fork | - |
| Rear Suspension | |
| Hydraulic shock absorber with coil spring | - |
| Front Brake | |
| Drum | - |
| Rear Brake | |
| Drum | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 75 in OR 1905 mm | - |
| Overall Width | |
| 34.1 in OR 866 mm | - |
| Weelbase | |
| 50 in OR 1270 mm | - |
| Ground Clearance | |
| 6.9 in OR 175 mm | - |
| Weight | |
| - | 351 lbs OR 159 kg |
| Wheelbase | |
| 50 in OR 1270 mm | - |
