| Attribute | Rieju RS2 Pro 125 Black Edition × | UM GP1-R 125 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2010 |
| Make | Rieju | UM |
| Model | Rieju RS2 Pro 125 Black Edition | UM GP1-R 125 |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Mikuni VM20SS | Carburettor |
| Displacement (cm³) | 125 | 124.5 |
| Cooling system | Air | Air |
| Transmission type,final drive | - | Belt |
| Bore (mm) | 54 | 52.4 |
| Stroke (mm) | 54 | 57.8 |
| Gearbox | 5-speed | Automatic |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Compression | - | 9.2:1 |
| Exhaust system | Exhaust pipe with stainless steel silencer | - |
| Chassis | ||
| Front suspension | Showa inverted fork | Telescopic Fork |
| Rear suspension | Gas Mono-shock shock absorber and separate bottle | Hydraulic Dual Shock |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Frame type | Triangular double cradle double steel tube | - |
| Front tyre | 100/80-17 | 120/70-12 |
| Rear tyre | 130/80-17 | 120/70-12 |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,300 | 1,243 |
| Dry weight (kg) | 109 | 98 |
| Overall length (mm) | 1,900 | 1,827 |
| Seat height (mm) | 800 | 760 |
| Performance | ||
| Fuel capacity (l) | 10.4 | 5.6 |