| RIEJU MOTORS MRX 450 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| liquid-cooled, four-stroke, single cylinder, DOHC | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 449 cm3 | - |
| Bore X Stroke | |
| 3.7x2.5 in OR 94 mm | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Keihin MX39/1 carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-speed, manual | - |
| Clutch | |
| wet multi-disc, manual | - |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| double aluminium beam | Aluminium frame |
| Front Suspension | |
| 50mm Marzocchi telescopic fork | - |
| Rear Suspension | |
| Ohlins monoshock with PRS system | - |
| Front Brake | |
| dual 260mm discs | - |
| Rear Brake | |
| single 245mm disc | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 85.5 in OR 2172 mm | - |
| Overall Width | |
| 32.6 in OR 828 mm | - |
| Seat Height | |
| 29.1 in OR 739 mm | - |
| Weight | |
| 253.5 lbs OR 115 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.69 gallons OR 10.2 L | - |
| Wheelbase | |
| 58.5 in OR 1486 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 90/90-21 | - |
| Rear | |
| 130/90-18 | - |
