| MODEL | RIEJU MRT 50 2021 |
| Year | 2021 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 50 cc / 3.05 cu in |
| Bore X Stroke | 40.3 x 39.0 mm |
| Compression Ratio | — |
| Cooling System | Liquid |
| Max Power | 4 kW / 5.4 hp |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Separate mixture |
| Gear Box | 6-speed manual |
| Clutch | Wet multi-disc |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel double cradle perimeter with detachable rear sub-chassis |
| Front Suspension | 37 mm fork |
| Rear Suspension | Mono-shock |
| Front Brakes | Single 260 mm disc |
| Rear Brakes | Single 180 mm disc |
| DIMENSION SPECS | |
| Overall Length | 2150 mm / 84.6 in |
| Overall Width | 800 mm / 31.5 in |
| Overall Height | 1165 mm / 45.9 in |
| Seat Height | 890 mm / 35.0 in |
| Wheelbase | 1405 mm / 55.3 in |
| Ground Clearance | — |
| Dry Weight | 85 kg / 187.4 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 80/90-21 |
| Rear Tyre | 110/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 6.3 Litres / 1.66 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The MRT 50 is Rieju's 50 cc two-stroke trail/enduro-styled learner bike with a six-speed box and 21-inch front wheel. The 2021 model has an 890 mm seat and 260 mm front disc.
