| NORTON 961 SF MKII | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Parallel Twin, air cooled | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 961 cm3 | - |
| Bore X Stroke | |
| 3.5x3.1 in OR 89 mm | - |
| Compression Ratio | |
| 10.1:1 | - |
| Horsepower | |
| 80/6500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 66/5200 lb-ft/RPM OR 89/5200 Nm/RPM | - |
| Fuel System | |
| Electronic Fuel Injection | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed constant mesh | - |
| Clutch | |
| Wet Multi-plate | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Tubular steel | Aluminium frame |
| Front Suspension | |
| 43mm Ohlins USD - adjustable preload, compression & rebound damping | - |
| Rear Suspension | |
| Ohlins twin shocks with remote reservoir - adjustable ride height, preload, rebound & compression | - |
| Front Brake | |
| Double disc Brembo 320 mm | - |
| Rear Brake | |
| Single disc Brembo 220 mm | - |
| dimension specs | |
| Seat Height | |
|---|---|
| 32 in OR 813 mm | - |
| Weight | |
| - | 351 lbs OR 159 kg |
| Wheelbase | |
| 55.9 in OR 1420 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 120/70-17 | - |
| Rear | |
| 180/55-17 | - |
