Comparison of UM Comet 125 SS and Yamaha YFM250R 2009 [S]ave
| Attribute |  UM Comet 125 SS × |  Yamaha YFM250R 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2006 | 2009 |
| Make | UM | Yamaha |
| Model | UM Comet 125 SS | Yamaha YFM250R |
| Category | Scooter | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Turbo | Carburettor. Mikuni 29mm |
| Displacement (cm³) | 124 | 249 |
| Cooling system | Air | Air |
| Transmission type,final drive | - | Chain |
| Bore (mm) | 53.3 | 74 |
| Stroke (mm) | 58.8 | 58 |
| Gearbox | - | 5-speed |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | - | DC-CDI |
| Lubrication system | - | Wet sump |
| Compression | 9.2:1 | 9.5:1 |
| Chassis | ||
| Front brakes | Single disc | Double disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Front tyre | - | 20/7-10 |
| Rear tyre | - | 19/10-9 |
| Other | ||
| Starter | Electric & kick | Electric |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,200 | 1,110 |
| Dry weight (kg) | 97 | 142 |
| Overall height (mm) | 1,060 | 1,040 |
| Overall length (mm) | 1,910 | 1,625 |
| Overall width (mm) | 1,370 | 1,070 |
| Seat height (mm) | 750 | 730 |
| Ground clearance (mm) | - | 114 |
| Performance | ||
| Fuel capacity (l) | 4.73 | 9 |
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