| YAMAHA XT 400 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Air Cooled, Four Stroke, Single Cylinder, SOHC, 4 Valves Per Cylinder | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 399 cm3 | - |
| Bore X Stroke | |
| 3.4x2.6 in OR 86 mm | - |
| Compression Ratio | |
| 8.8:1 | - |
| Horsepower | |
| 31/7000 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 23/6000 lb-ft/RPM OR 31/6000 Nm/RPM | - |
| Fuel System | |
| Carburetors | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed | - |
| Clutch | |
| Wet multi-plate | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| - | Aluminium frame |
| Front Suspension | |
| Telescopic Forks | - |
| Rear Suspension | |
| Monocross | - |
| Front Brake | |
| Single Disc | - |
| Rear Brake | |
| Single Disc | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 89 in OR 2261 mm | - |
| Overall Width | |
| 33.9 in OR 861 mm | - |
| Weelbase | |
| 55.3 in OR 1405 mm | - |
| Ground Clearance | |
| 9.8 in OR 249 mm | - |
| Weight | |
| 322 lbs OR 146 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 3 gallons OR 11.4 L | - |
| Wheelbase | |
| 55.3 in OR 1405 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 3.00-21 | - |
| Rear | |
| 4.60-18 | - |
