| BETA M4-4T | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single-cylinder, 4-stroke, air cooled | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 349 cm3 | - |
| Bore X Stroke | |
| 3.1x2.8 in OR 79 mm | - |
| Compression Ratio | |
| 9,5:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Mikuni BST 33 carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-speed, manual | - |
| Clutch | |
| wet multi-disc, manual | - |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| steel double cradle frame | Aluminium frame |
| Front Suspension | |
| hydraulic fork with 46 mm shaft | - |
| Rear Suspension | |
| monoshock with adjustable spring preload | - |
| Front Brake | |
| 310mm disc | - |
| Rear Brake | |
| 220mm disc | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 85 in OR 2159 mm | - |
| Overall Width | |
| 33.9 in OR 861 mm | - |
| Seat Height | |
| 34.3 in OR 871 mm | - |
| Ground Clearance | |
| 12 in OR 305 mm | - |
| Weight | |
| 293 lbs OR 133 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.8 gallons OR 10.6 L | - |
| Wheelbase | |
| 55.5 in OR 1410 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 120/70 - 17 | - |
| Rear | |
| 150/60 - 17 | - |
