Comparison of UM V2S-250 2009 and Yamaha Mio Aerox 155 [S]ave
| Attribute |  Yamaha Mio Aerox 155 × |  UM V2S-250 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2018 | 2009 |
| Make | Yamaha | UM |
| Model | Yamaha Mio Aerox 155 | UM V2S-250 |
| Category | Scooter | Naked bike |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | V2, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Injection | Carburettor. 2 x Mikuni, 22 mm |
| Displacement (cm³) | 155 | 249 |
| Power (kw) | 10.9 | - |
| Cooling system | Air | Oil & air |
| Transmission type,final drive | Belt | Chain |
| Torque (Nm) | 13.8 | - |
| Bore (mm) | 58 | 57 |
| Stroke (mm) | 58.7 | 48.8 |
| Gearbox | Automatic | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | TCI | CDI |
| Clutch | Dry, Centrifugal Automatic | Multi plate, wet manual clutch |
| Compression | 10.5:1 | 10.4:1 |
| Chassis | ||
| Front suspension | Telescopic fork | Telescopic forks |
| Rear suspension | Unit swingarm | Swingarm |
| Front brakes | Single disc | Double disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Frame type | Underbone | Perimeter frame chassis |
| Front tyre | 110/80-14 | 110/70-17 |
| Rear tyre | 140/70-14 | 150/70-17 |
| Other | ||
| Starter | Electric & kick | Electric |
| Color options |
|
|
| Carrying capacity | Underseat storage | - |
| Light | LEAD headlights | - |
| Dimensions | ||
| Wheelbase (mm) | 1,350 | 1,435 |
| Kerb weight (kg) | 116 | 170.1 |
| Overall height (mm) | 1,125 | 1,090 |
| Overall length (mm) | 1,990 | 2,080 |
| Overall width (mm) | 700 | 655 |
| Seat height (mm) | 790 | 795 |
| Performance | ||
| Fuel capacity (l) | 4.6 | 17.03 |
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