| YAMAHA YZ250F | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Liquid-cooled DOHC 4-stroke 4 titanium valves | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 250 cm3 | - |
| Bore X Stroke | |
| 3.0x2.1 in OR 76 mm | - |
| Compression Ratio | |
| 13.5:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Keihin, fuel injection, 44mm | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed, constant mesh | - |
| Clutch | |
| Wet Multi-plate | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Aluminium | Aluminium frame |
| Front Suspension | |
| KYB speed-Sensitive System inverted fork fully adjustable, 12.2 in travel | - |
| Rear Suspension | |
| KYB single shock fully adjustable, 12.4 in travel | - |
| Front Brake | |
| Hydraulic disc, 270mm | - |
| Rear Brake | |
| Hydraulic disc, 245mm | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 85.2 in OR 2164 mm | - |
| Overall Width | |
| 32.5 in OR 826 mm | - |
| Seat Height | |
| 38 in OR 965 mm | - |
| Ground Clearance | |
| 12.8 in OR 325 mm | - |
| Weight | |
| 231 lbs OR 105 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2 gallons OR 7.6 L | - |
| Wheelbase | |
| 58.1 in OR 1476 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 80/100-21 | - |
| Rear | |
| 100/90-19 | - |
