| YAMAHA YFZ450X | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| 4-Stroke Single, Liquid Cooled w/ Fan, Titanium 5-Valve DOHC | 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 | |
| 11.6:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Yamaha Fuel Injection (YFI), 42mm | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5 speed | - |
| Clutch | |
| Manual | - |
| Final Drive | |
| Sealed O-Ring Chain, Eccentric Adjustment | - |
| chassis specs | |
| Frame | |
|---|---|
| Aluminium frame | Aluminium frame |
| Front Suspension | |
| Independent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound and threaded preload adjustment, 9.4-in travel | - |
| Rear Suspension | |
| Cast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel | - |
| Front Brake | |
| Dual Ventilated Hydraulic Disc, Twin Piston | - |
| Rear Brake | |
| Wave Style Ventilated Hydraulic Disc, Twin Piston | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 70.7 in OR 1796 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 | |
| 399 lbs OR 181 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.6 gallons OR 9.8 L | - |
| Wheelbase | |
| 50 in OR 1270 mm | - |
| tyres specs | |
| Front | |
|---|---|
| AT21x7-10 Radial | - |
| Rear | |
| AT20x10-9 Radial | - |
