| Attribute | UM V2S-650 2007 × | Hyosung GT 650 S 2005 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2005 |
| Make | UM | Hyosung |
| Model | UM V2S-650 | Hyosung GT 650 S |
| Category | Naked bike | Allround |
| Engine and transmission | ||
| Engine type | V2, four-stroke | V2, four-stroke |
| Valves per cylinder | 4 | 4 |
| Displacement (cm³) | 647 | 647 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 85.1 | - |
| Stroke (mm) | 62 | - |
| Gearbox | 6-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Chassis | ||
| Front suspension | Telescopic | - |
| Rear suspension | Monoshock | - |
| Front brakes | Double disc | Double disc |
| Rear brakes | Single disc | Single disc |
| Front tyre | 120/60-ZR17 | 120/60-ZR17 55W |
| Rear tyre | 160/60-ZR17 | 160/60-ZR17 69W |
| Other | ||
| Starter | Electric | Electric |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,435 | 1,435 |
| Dry weight (kg) | 230 | 189 |
| Overall height (mm) | 1,087 | 1,060 |
| Overall length (mm) | 2,060 | 2,060 |
| Overall width (mm) | 739 | 730 |
| Ground clearance (mm) | - | 150 |
| Performance | ||
| Fuel capacity (l) | 16.08 | 17 |