| BETA Evo 80 Sr | 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 | |
| 79.6 cm3 | - |
| Bore X Stroke | |
| 1.9x1.7 in OR 48 mm | - |
| Compression Ratio | |
| 14:7:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| DellOrto 21mm carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-speed, manual | - |
| Clutch | |
| wet multi-disc, manual | - |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| steel | Aluminium frame |
| Front Suspension | |
| 38mm Paioli | - |
| Rear Suspension | |
| Single shock, adjustable dampening, spring preload | - |
| Front Brake | |
| 185mm rotor with 4-piston caliper | - |
| Rear Brake | |
| 160mm rotor with twin-piston caliper | - |
| dimension specs | |
| Seat Height | |
|---|---|
| 26 in OR 660 mm | - |
| Ground Clearance | |
| 12.8 in OR 325 mm | - |
| Weight | |
| 145.5 lbs OR 66 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 0.7 gallons OR 2.6 L | - |
| Wheelbase | |
| 48.4 in OR 1229 mm | - |
| tyres specs | |
| Front | |
|---|---|
| Michelin Trial 21 | - |
| Rear | |
| Michelin Trial 18 | - |
