| YAMAHA SR 400 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single cylinder, four-stroke,air-cooled | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 399 cm3 | - |
| Bore X Stroke | |
| 3.4x2.5 in OR 86 mm | - |
| Compression Ratio | |
| 8.5:1 | - |
| Horsepower | |
| 23/6500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 20/3000 lb-ft/RPM OR 27/3000 Nm/RPM | - |
| Fuel System | |
| Injection | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed | - |
| Clutch | |
| Wet multiplate | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Steel Double Cradle | Aluminium frame |
| Front Suspension | |
| Telescopic hydraulic fork 150mm | - |
| Rear Suspension | |
| Dual shocks 125mm | - |
| Front Brake | |
| Single disc 260mm | - |
| Rear Brake | |
| Expanding brake 130mm | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 82.1 in OR 2085 mm | - |
| Overall Width | |
| 29.5 in OR 749 mm | - |
| Seat Height | |
| 30.9 in OR 785 mm | - |
| Ground Clearance | |
| 5.1 in OR 130 mm | - |
| Weight | |
| 384 lbs OR 174 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 3.2 gallons OR 12.1 L | - |
| Wheelbase | |
| 55.5 in OR 1410 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 90/100-18 | - |
| Rear | |
| 110/90-18 | - |
