| YAMAHA YFZ450 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| liquid-cooled w/fan, 4-stroke DOHC, 5 valves | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 449 cm3 | - |
| Bore X Stroke | |
| 3.7x2.5 in OR 94 mm | - |
| Compression Ratio | |
| 11.4:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Mikuni 42mm BSR | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5 speed | - |
| Clutch | |
| Wet, multiplate | - |
| Final Drive | |
| sealed O-ring chain, eccentric adjustment | - |
| chassis specs | |
| Frame | |
|---|---|
| Aluminium, steel | Aluminium frame |
| Front Suspension | |
| Independent double wishbone, threaded preload adjustment, 9.1-in travel | - |
| Rear Suspension | |
| Cast aluminum swing arm, threaded preload adjustment, 10.6-in travel | - |
| Front Brake | |
| 127mm Dual hydraulic disc | - |
| Rear Brake | |
| 173mm Hydraulic disc | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 72.4 in OR 1839 mm | - |
| Overall Width | |
| 46.1 in OR 1171 mm | - |
| Seat Height | |
| 31.9 in OR 810 mm | - |
| Ground Clearance | |
| 4.5 in OR 114 mm | - |
| Weight | |
| 386 lbs OR 175 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.6 gallons OR 9.8 L | - |
| Wheelbase | |
| 50.4 in OR 1280 mm | - |
| tyres specs | |
| Front | |
|---|---|
| Dunlop AT21 x 7-10 | - |
| Rear | |
| Dunlop AT20 x 10R9 | - |
