| MODEL | RIEJU SMX 125 2007 |
| Year | 2007 |
| Engine Type | Single cylinder, four-stroke |
| Displacement / Capacity | 124 cc / 7.57 cu in |
| Bore X Stroke | 54 x 54 mm / 2.1 x 2.1 in |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 10.6 kW / 14.5 hp |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor, Mikuni VM20SS |
| Start System | Electric and kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Fork, 35 mm |
| Rear Suspension | Mono-shock, progressive system |
| Front Brakes | Single disc, double piston, 260 mm / 10.2 in |
| Rear Brakes | Single disc, 200 mm / 7.9 in |
| DIMENSION SPECS | |
| Overall Length | 1994 mm / 78.5 in |
| Overall Width | 800 mm / 31.5 in |
| Overall Height | 1135 mm / 44.7 in |
| Seat Height | 900 mm / 35.4 in |
| Wheelbase | 1332 mm / 52.4 in |
| Ground Clearance | — |
| Dry Weight | 108 kg / 238.1 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 120/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 7.4 Litres / 1.95 US gal |
| Fuel Consumption | — |
| Top Speed | — |
A 2007 SMX 125 built around a Yamaha-derived air-cooled four-stroke making roughly 14.5 hp. Unlike later versions it runs a 21-inch front and 18-inch rear wheel, giving it a more off-road bias. Black and blue were the colour choices.
