| Adler M 125 | 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 | |
| 123 cm3 | - |
| Bore X Stroke | |
| 2.1x2.1 in OR 53 mm | - |
| Compression Ratio | |
| 5.1:1 | - |
| Horsepower | |
| 7/5750 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Fuel System | |
| Bing carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 3-speed, manual | - |
| Clutch | |
| wet multi-disc, manual | - |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| steel | Aluminium frame |
| Front Suspension | |
| cartridge fork | - |
| Rear Suspension | |
| adjustable plunger shock absorbers | - |
| Front Brake | |
| drum | - |
| Rear Brake | |
| drum | - |
| dimension specs | |
| Weight | |
|---|---|
| - | 351 lbs OR 159 kg |
