| Attribute | Value |
| General |
| Production from | 2017 year |
| Make | Rieju |
| Model | Rieju RS3 NKD 125 |
| Category | Naked bike |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | 4 |
| Fuel system | Carburettor. Keihin CVEK 30 |
| Engine details | Minarellei-Yamaha engine |
| Displacement | 125 cm³ |
| Power | Add |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Liquid |
| Transmission type,final drive | Chain |
| Torque | Add |
| Bore | 52 mm |
| Stroke | 58.6 mm |
| Gearbox | 5-speed |
| Greenhouse gases | Add |
| Fuel control | Add |
| Emission details | Add |
| Driveline | Add |
| Ignition | CDI |
| Clutch | Add |
| Lubrication system | Add |
| Compression | Add |
| Exhaust system | Exhaust pipe with aluminium silencer |
| Chassis |
| Front suspension | Inverted fork, 41mm |
| Rear suspension | Mono-shock shock absorber, adjustable |
| Front brakes | Single disc. Double piston caliper |
| Rear brakes | Single disc |
| Diameter | 220 mm |
| Frame type | Triangular double cradle double steel tube |
| Front tyre | 100/80-17 |
| Rear tyre | 130/80-17 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | Add |
| Rear wheel travel | Add |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Electric |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Digital |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,375 mm |
| Kerb weight | Add |
| Dry weight | 128 kg |
| Power/weight ratio | Add |
| Overall height | 1,090 mm |
| Overall length | 2,020 mm |
| Overall width | 770 mm |
| Seat height | 845 mm |
| Alternate seat height | Add |
| Ground clearance | Add |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | Add |
| Fuel capacity | 12 l |
| Oil capacity | 1.1 l |
| Width | Add |
| Height | Add |