| HESKETH Vortan 1100 Sport | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Air Cooled, 90 Degree V-twin | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 1100 cm3 | - |
| Compression Ratio | |
| 10:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Two Dellorto PFH Carburettors With 36mm Chokes | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5 Speed | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| - | Aluminium frame |
| Front Suspension | |
| 43 Mm Telescopic Forks | - |
| Rear Suspension | |
| Marzocchi With Two Way Damping | - |
| Front Brake | |
| Fully Floating 310mm-diameter Twin Discs | - |
| Rear Brake | |
| Single 270mm Disc | - |
| dimension specs | |
| Weight | |
|---|---|
| - | 351 lbs OR 159 kg |
