| YAMAHA YZ250F | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Liquid-cooled, 5-valve, DOHC, 4-stroke w/titanium valves | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 249 cm3 | - |
| Bore X Stroke | |
| 3.0x2.1 in OR 76 mm | - |
| Compression Ratio | |
| 12.5:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| 37mm Keihin FCR flat-slide w/throttle position sensor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5 speed, manual | - |
| Clutch | |
| Wet multi-disc, manual | - |
| Final Drive | |
| #520 O-ring chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Steel | Aluminium frame |
| Front Suspension | |
| 48mm Kayaba inverted cartridge fork w/adj. compression and rebound damping 11.8 in. travel | - |
| Rear Suspension | |
| Kayaba single shock w/adj. preload, compression & rebound damping and separate hi/lo-speed compression adjuster 12.4 in. travel | - |
| Front Brake | |
| 250mm floating disc | - |
| Rear Brake | |
| 245mm disc | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 85.1 in OR 2162 mm | - |
| Overall Width | |
| 32.6 in OR 828 mm | - |
| Seat Height | |
| 39.2 in OR 996 mm | - |
| Ground Clearance | |
| 15 in OR 381 mm | - |
| Weight | |
| 208 lbs OR 94 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 1.8 gallons OR 6.8 L | - |
| Wheelbase | |
| 58 in OR 1473 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 80/100-21 Dunlop | - |
| Rear | |
| 100/90-19 Dunlop | - |
