| APRILIA SR 50 R Factory | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| liquid-cooled, single cylinder, 2-stroke | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 49 cm3 | - |
| Bore X Stroke | |
| 1.6x1.5 in OR 41 mm | - |
| Compression Ratio | |
| 12:1:1 | - |
| Horsepower | |
| 4/6500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 4/0 lb-ft/RPM OR 5/0 Nm/RPM | - |
| Fuel System | |
| Dell'Orto carburettor 17.5 mm | - |
| transmission specs | |
| Gearbox | |
|---|---|
| automatic CVT | - |
| Clutch | |
| Automatic centrifugal dry clutch | - |
| Primary Drive | |
| v belt | - |
| chassis specs | |
| Frame | |
|---|---|
| split single cradle frame in high tensile strength steel tube | Aluminium frame |
| Front Suspension | |
| telescopic hydraulic fork | - |
| Rear Suspension | |
| engine unit acting as swingarm, frame linkages on two radial silent block mountings | - |
| Front Brake | |
| dual 190 mm with racing calliper with 2 opposing pistons, 32 mm | - |
| Rear Brake | |
| dual 190 mm with racing calliper with 2 opposing pistons, 32 mm | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 73.2 in OR 1859 mm | - |
| Overall Width | |
| 27.8 in OR 706 mm | - |
| Seat Height | |
| 31.3 in OR 795 mm | - |
| Weight | |
| - | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 1.8 gallons OR 6.8 L | - |
| Wheelbase | |
| 49.6 in OR 1260 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 130/60 R13 | - |
| Rear | |
| 130/60 R13 | - |
