| YAMAHA XT 550 | 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 | |
| 558 cm3 | - |
| Bore X Stroke | |
| 3.7x3.3 in OR 94 mm | - |
| Compression Ratio | |
| 8.5:1 | - |
| Horsepower | |
| 38/6500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Fuel System | |
| 26mm TK Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5 Speed | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| - | Aluminium frame |
| Front Suspension | |
| 38mm Air Assisted Forks | - |
| Rear Suspension | |
| Monoshock Adjustable Preload | - |
| Front Brake | |
| Drum | - |
| Rear Brake | |
| Drum | - |
| dimension specs | |
| Weight | |
|---|---|
| - | 351 lbs OR 159 kg |
| tyres specs | |
| Front | |
|---|---|
| 3.00-21 | - |
| Rear | |
| 4.60-18 | - |
