| YAMAHA XJ 400 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Air Cooled, Four Stroke, Transverse Four Cylinder, DOHC | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 398 cm3 | - |
| Bore X Stroke | |
| 2.0x1.9 in OR 51 mm | - |
| Compression Ratio | |
| 9.7:1 | - |
| Horsepower | |
| 45/10000 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 25/8000 lb-ft/RPM OR 34/8000 Nm/RPM | - |
| Fuel System | |
| 34mm Mikuni Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-Speed | - |
| Clutch | |
| Wet multi-plate | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| - | Aluminium frame |
| Front Suspension | |
| Telescopic Forks | - |
| Rear Suspension | |
| Single Shock, Adjustable Spring Preload | - |
| Front Brake | |
| Single Disc 1 Piston Caliper | - |
| Rear Brake | |
| Drum | - |
| dimension specs | |
| Weight | |
|---|---|
| 417 lbs OR 189 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 4 gallons OR 15.1 L | - |
| tyres specs | |
| Front | |
|---|---|
| 3.00-19 | - |
| Rear | |
| 110/90-18 | - |
