| LAVERDA Montjuic MK II | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| air-cooled, four-stroke, parallel twin cylinders, DOHC, 4 valves per cylinder, 180-degree crankshaft | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 497 cm3 | - |
| Bore X Stroke | |
| 2.8x2.4 in OR 71 mm | - |
| Compression Ratio | |
| 10.2:1 | - |
| Horsepower | |
| 58/9500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Fuel System | |
| 2x32mm DellOrto carburetors | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-speed, manual | - |
| Primary Drive | |
| gears | - |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| steel | Aluminium frame |
| Front Suspension | |
| Marzocchi telescopic forks | - |
| Rear Suspension | |
| Marzocchi dual shocks with 5-way spring preload adjustment | - |
| Front Brake | |
| 2x 260mm discs | - |
| Rear Brake | |
| single 260mm disc | - |
| dimension specs | |
| Weight | |
|---|---|
| - | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 3.2 gallons OR 12.1 L | - |
| tyres specs | |
| Front | |
|---|---|
| 3.00-18 | - |
| Rear | |
| 3.25-18 | - |
