| MODEL | RIEJU MRX 125 2007 |
| Year | 2007 |
| Engine Type | Single cylinder, four-stroke |
| Displacement / Capacity | 124 cc / 7.57 cu in |
| Bore X Stroke | 54 x 54 mm / 2.1 x 2.1 in |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 10.6 kW / 14.5 hp |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor, Mikuni VM20SS |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Perimetral double-beam steel |
| Front Suspension | Telescopic fork, 35 mm |
| Rear Suspension | Monoshock, progressive system (PRS) |
| Front Brakes | Single disc, 260 mm / 10.2 in, double-piston caliper |
| 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 | — |
| Seat Height | 900 mm / 35.4 in |
| Wheelbase | 1332 mm / 52.4 in |
| Ground Clearance | — |
| Dry Weight | 107 kg / 235.9 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 120/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 7.4 Litres / 1.96 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2007 MRX 125 is Rieju's four-stroke off-road learner machine, built around a Yamaha-derived air-cooled 125 single. It pairs a tall 21-inch front wheel with disc brakes at both ends and a double-beam steel frame, giving it a proper enduro stance for a bike in the 125 class.
