| MODEL | RIEJU MRX PRO 50 2008 |
| Year | 2008 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 50 cc / 3.05 cu in |
| Bore X Stroke | 40.3 x 39 mm / 1.6 x 1.5 in |
| Compression Ratio | — |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor, Dell'Orto PHBN 16 |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | Double-cradle perimeter steel |
| Front Suspension | Marzocchi inverted fork, 40 mm |
| Rear Suspension | Gas monoshock with separate reservoir, PRS system |
| Front Brakes | Single disc, 300 mm / 11.8 in |
| Rear Brakes | Single disc, 200 mm / 7.9 in |
| DIMENSION SPECS | |
| Overall Length | 2050 mm / 80.7 in |
| Overall Width | 790 mm / 31.1 in |
| Overall Height | 1170 mm / 46.1 in |
| Seat Height | 920 mm / 36.2 in |
| Wheelbase | 1332 mm / 52.4 in |
| Ground Clearance | — |
| Dry Weight | 94 kg / 207.2 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 80/90-21 |
| Rear Tyre | 100/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 8.4 Litres / 2.22 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2008 MRX Pro 50 is the top 50 cc enduro in Rieju's range, using the NG engine with a special cylinder for extra power. A Marzocchi inverted fork, gas rear shock and 300 mm front disc set it apart from the standard MRX 50. Colours were green, orange or black.
