| MODEL | RIEJU MRX 125 2008 |
| Year | 2008 |
| Engine Type | Single cylinder, four-stroke, 2 valves |
| Displacement / Capacity | 125 cc / 7.63 cu in |
| Bore X Stroke | 54 x 54 mm / 2.1 x 2.1 in |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | — |
| Max Torque | — |
| Ignition | — |
| Induction | Mikuni VM20SS carburettor |
| Start System | Electric and kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | Double cradle steel perimeter |
| Front Suspension | Paioli 36 mm fork |
| Rear Suspension | Gas mono-shock (PRS system) |
| Front Brakes | Double disc, 260 mm / 10.2 in |
| Rear Brakes | Single disc, 200 mm / 7.9 in |
| DIMENSION SPECS | |
| Overall Length | 2020 mm / 79.5 in |
| Overall Width | 800 mm / 31.5 in |
| Overall Height | 1180 mm / 46.5 in |
| Seat Height | 900 mm / 35.4 in |
| Wheelbase | 1332 mm / 52.4 in |
| Ground Clearance | — |
| Dry Weight | 107.0 kg / 235.9 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 120/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 7.40 Litres / 1.96 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The MRX 125 is Rieju's air-cooled four-stroke 125 cc trail-style learner bike, with a five-speed gearbox, electric and kick starting and a tall seat. It pairs a steel double-cradle frame with a Paioli fork and a gas rear shock, and is aimed at young riders on the 125 licence.
