| MODEL | RIEJU RS3 125 2011 |
| Year | 2011 |
| Engine Type | Single cylinder, four-stroke (Minarelli-Yamaha, 4 valves) |
| Displacement / Capacity | 125 cc / 7.63 cu in |
| Bore X Stroke | 52.0 x 58.6 mm / 2.0 x 2.3 in |
| Compression Ratio | — |
| Cooling System | — |
| Max Power | 15 hp |
| Max Torque | — |
| Ignition | CDI |
| Induction | Carburettor, Keihin CVEK 30 |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Triangular double cradle, double steel tube |
| Front Suspension | 40 mm inverted fork |
| Rear Suspension | Adjustable monoshock |
| Front Brakes | Single 280 mm disc |
| Rear Brakes | Single 220 mm disc |
| DIMENSION SPECS | |
| Overall Length | 1970 mm / 77.6 in |
| Overall Width | 720 mm / 28.3 in |
| Overall Height | 1100 mm / 43.3 in |
| Seat Height | 845 mm / 33.3 in |
| Wheelbase | 1330 mm / 52.4 in |
| Ground Clearance | — |
| Dry Weight | 128 kg / 282.2 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 100/80-17 |
| Rear Tyre | 130/80-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 12.0 Litres / 3.17 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2011 RS3 125 introduced a Minarelli-Yamaha four-valve 125 cc engine in a sports chassis, quoted at about 15 hp. It has a Keihin carburettor, inverted forks and red or white paint.
