| BETA Alp 4.0 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single-cylinder, 4-stroke, air cooled, S.O.H.C. | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 349 cm3 | - |
| Bore X Stroke | |
| 3.11x2.80 in OR 79 mm | - |
| Compression Ratio | |
| 9.5:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Carburetor, Mikuni BST 33 | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-speed | - |
| Clutch | |
| Wet, Multiplate Disc | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Steel double cradle frame | Aluminium frame |
| Front Suspension | |
| Hydraulic fork with ΓΈ46 mm shaft | - |
| Rear Suspension | |
| Monoshock with adjustable spring preload | - |
| Front Brake | |
| Single 260 mm disc with 2 piston calipers | - |
| Rear Brake | |
| Single 220 mm disc with 2 piston calipers | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 86.92 in OR 2208 mm | - |
| Overall Width | |
| 33.46 in OR 850 mm | - |
| Seat Height | |
| 33.97 in OR 863 mm | - |
| Ground Clearance | |
| 10.82 in OR 275 mm | - |
| Weight | |
| 293 lbs OR 133 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.77 gallons OR 10.5 L | - |
| Wheelbase | |
| 56.85 in OR 1444 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 90/90x21 | - |
| Rear | |
| 140/80x18 | - |
