| YAMAHA YZ250F | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| 4-stroke, liquid-cooled, DOHC, 5-valvew/titanium valves, single | 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 |
| Torque | |
| 21/8500 lb-ft/RPM OR 28/8500 Nm/RPM | - |
| Fuel System | |
| carburetor, Keihin FCR MX37, 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 | |
|---|---|
| Aluminium semi-double-cradle | Aluminium frame |
| Front Suspension | |
| Fully adjustable 48mm Kayaba inverted fork | - |
| Rear Suspension | |
| Fully adjustable link monocross Kayaba | - |
| Front Brake | |
| 250mm floating disc | - |
| Rear Brake | |
| 245mm disc | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 85 in OR 2159 mm | - |
| Overall Width | |
| 32.5 in OR 826 mm | - |
| Seat Height | |
| 38.7 in OR 983 mm | - |
| Weight | |
| 204 lbs OR 93 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 1.8 gallons OR 6.8 L | - |
| Wheelbase | |
| 57.8 in OR 1468 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 80/100-21 | - |
| Rear | |
| 100/90-19 | - |
