| MODEL | RIEJU RS2 50 FR 2010 |
| Year | 2010 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 50 cc / 3.05 cu in |
| Bore X Stroke | 40.3 x 39.0 mm / 1.6 x 1.5 in |
| Compression Ratio | — |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor, Dell'Orto PHBN 16 |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Triangular double cradle, double steel tube |
| Front Suspension | 36 mm Paioli fork |
| Rear Suspension | Monoshock |
| Front Brakes | Single disc, two-piston caliper |
| Rear Brakes | Single 220 mm disc |
| DIMENSION SPECS | |
| Overall Length | 1900 mm / 74.8 in |
| Overall Width | 620 mm / 24.4 in |
| Overall Height | 1060 mm / 41.7 in |
| Seat Height | 800 mm / 31.5 in |
| Wheelbase | 1300 mm / 51.2 in |
| Ground Clearance | — |
| Dry Weight | 109.5 kg / 241.4 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 100/80-17 |
| Rear Tyre | 130/80-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 10.4 Litres / 2.75 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 50 cc two-stroke version of the RS2 in FR trim, with a liquid-cooled engine, six-speed gearbox and a lightweight double-cradle chassis. It offers learner-class sports styling in blue/white or black/green.
