| MODEL | RIEJU MRX 50 2007 |
| Year | 2007 |
| 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 |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Perimetral double-beam steel |
| Front Suspension | Upside-down fork |
| Rear Suspension | Monoshock, progressive system |
| Front Brakes | Single disc, 260 mm / 10.2 in |
| Rear Brakes | Single disc, 220 mm / 8.7 in |
| DIMENSION SPECS | |
| Overall Length | 2050 mm / 80.7 in |
| Overall Width | 790 mm / 31.1 in |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 1332 mm / 52.4 in |
| Ground Clearance | — |
| Dry Weight | 88 kg / 194 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 80/90-21 |
| Rear Tyre | 110/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 5.5 Litres / 1.45 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2007 MRX 50 is a small enduro driven by a Minarelli AM6 two-stroke with a six-speed gearbox. Upside-down forks, a disc brake at each end and a catalyst-fitted exhaust gave it a bigger-bike look for 50 cc riders.
