| YAMAHA TT-R250 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| air-cooled, 4-valve, DOHC, 4-stroke single | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 249 cm3 | - |
| Bore X Stroke | |
| 2.9x2.3 in OR 74 mm | - |
| Compression Ratio | |
| 10.2:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Torque | |
| 15/6500 lb-ft/RPM OR 20/6500 Nm/RPM | - |
| Fuel System | |
| 30mm Teikei Y30P carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6 Speed, manual | - |
| Clutch | |
| Wet multi-disc, manual | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Steel | Aluminium frame |
| Front Suspension | |
| Telescopic 43mm fork | - |
| Rear Suspension | |
| Adjustable link monocross | - |
| Front Brake | |
| 245mm disc | - |
| Rear Brake | |
| 220mm disc | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 82.5 in OR 2096 mm | - |
| Overall Width | |
| 32.9 in OR 836 mm | - |
| Seat Height | |
| 36 in OR 914 mm | - |
| Weight | |
| 249 lbs OR 113 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.6 gallons OR 9.8 L | - |
| Wheelbase | |
| 55.3 in OR 1405 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 80/100-21 | - |
| Rear | |
| 100/100-18 | - |
