| BETA Ark LC | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single-cylinder, 2-stroke, liquid-cooled | 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 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| DellOrto PHVA 12 carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| CVT, automatic | - |
| Clutch | |
| dry centrifugal, automatic | - |
| Primary Drive | |
| gears | - |
| Final Drive | |
| V belt drive | - |
| chassis specs | |
| Frame | |
|---|---|
| tubular steel | Aluminium frame |
| Front Suspension | |
| hydraulic fork with 35mm shaft | - |
| Rear Suspension | |
| monoshock with adjustable spring preload | - |
| Front Brake | |
| 220mm disc | - |
| Rear Brake | |
| 190mm disc | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 68.5 in OR 1740 mm | - |
| Overall Width | |
| 29.5 in OR 749 mm | - |
| Seat Height | |
| 32.7 in OR 831 mm | - |
| Ground Clearance | |
| 8.5 in OR 216 mm | - |
| Weight | |
| 194 lbs OR 88 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2 gallons OR 7.6 L | - |
| Wheelbase | |
| 48.8 in OR 1240 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 120/70 - 13 | - |
| Rear | |
| 130/60 - 13 | - |
