| YAMAHA XT 660R | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single cylinder, liquid-cooled, 4-stroke, SOHC, 4-valves | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 660 cm3 | - |
| Bore X Stroke | |
| 3.9x3.3 in OR 99 mm | - |
| Compression Ratio | |
| 10.0:1 | - |
| Horsepower | |
| 48/6000 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 44/5250 lb-ft/RPM OR 60/5250 Nm/RPM | - |
| Fuel System | |
| Electronic Injection | - |
| transmission specs | |
| Gearbox | |
|---|---|
| Constant Mesh, 5-speed | - |
| Clutch | |
| Wet multi-disc, manual | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Steel tube diamond shaped | Aluminium frame |
| Front Suspension | |
| Telescopic forks | - |
| Rear Suspension | |
| Linked monoshock with spring preload adjustment | - |
| Front Brake | |
| Hydraulic single disc, 298 mm | - |
| Rear Brake | |
| Hydraulic single disc, 245 mm | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 88.2 in OR 2240 mm | - |
| Overall Width | |
| 33.3 in OR 846 mm | - |
| Seat Height | |
| 34.1 in OR 866 mm | - |
| Ground Clearance | |
| 8.3 in OR 211 mm | - |
| Weight | |
| 399 lbs OR 181 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 4 gallons OR 15.1 L | - |
| Wheelbase | |
| 59.3 in OR 1506 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 90/90-21 M/C | - |
| Rear | |
| 130/80-17 M/C | - |
