| MODEL | RIEJU MARATHON 125 PRO SM 2013 |
| Year | 2013 |
| Engine Type | Single-cylinder, four-stroke, 4 valves per cylinder, liquid cooled |
| Displacement / Capacity | 125 cc / 7.6 cu in |
| Bore X Stroke | 52 x 58.6 mm / 2 x 2.3 in |
| Compression Ratio | — |
| Cooling System | Liquid |
| Max Power | 10.9 kW / 15 hp |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor, Keihin CVEK 30 |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | Double cradle, high-resistance steel perimeter |
| Front Suspension | Marzocchi 40 mm fork |
| Rear Suspension | Mono-shock, PRS system |
| Front Brakes | Single 300 mm / 11.8 in Galfer wave disc, radial-mount AJP double-piston caliper |
| Rear Brakes | Single 200 mm / 7.9 in Galfer wave disc |
| DIMENSION SPECS | |
| Overall Length | 2070 mm / 81.5 in |
| Overall Width | 800 mm / 31.5 in |
| Overall Height | 1145 mm / 45.1 in |
| Seat Height | 870 mm / 34.3 in |
| Wheelbase | 1380 mm / 54.3 in |
| Ground Clearance | — |
| Dry Weight | 115 kg / 253.5 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 100/80-17 |
| Rear Tyre | 130/70-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 6.3 Litres / 1.66 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The Pro SM is the supermoto version of the 125 Pro, with 17-inch wheels on road tyres, a shorter wheelbase and a radial-mount front caliper. It keeps the 15 hp liquid-cooled four-stroke of the enduro.
