| SUZUKI RM400 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Air-cooled, Single Cylinder, Two-stroke | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 402 cm3 | - |
| Bore X Stroke | |
| 3.15x3.15 in OR 80 mm | - |
| Compression Ratio | |
| 6.7:1 | - |
| Horsepower | |
| 43/6500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 4/6000 lb-ft/RPM OR 5/6000 Nm/RPM | - |
| Fuel System | |
| Mikuni VM36SS Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed | - |
| Clutch | |
| Wet, multiplate | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| - | Aluminium frame |
| Front Suspension | |
| Air/oil-damped, Leading Axle | - |
| Rear Suspension | |
| Aluminum Box Type, Gas-oil Shocks | - |
| Front Brake | |
| Drum | - |
| Rear Brake | |
| Drum | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 84.3 in OR 2141 mm | - |
| Overall Width | |
| 34.8 in OR 884 mm | - |
| Ground Clearance | |
| 11.4 in OR 290 mm | - |
| Weight | |
| 231 lbs OR 105 kg | 351 lbs OR 159 kg |
| Wheelbase | |
| 57.1 in OR 1450 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 3.00-21-4PR | - |
| Rear | |
| 4.50-18-4PR | - |
