Comparison of AlphaSports Alpha 250 Naked and UM V2S 250 R [S]ave
| Attribute |  AlphaSports Alpha 250 Naked × |  UM V2S 250 R × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2006 |
| Make | AlphaSports | UM |
| Model | AlphaSports Alpha 250 Naked | UM V2S 250 R |
| Category | Naked bike | Sport |
| Engine and transmission | ||
| Engine type | V2, four-stroke | V2, four-stroke |
| Valves per cylinder | 8 | 1 |
| Fuel system | Carburettor. 2 x Mikuni | Carburettor |
| Displacement (cm³) | 249 | 249 |
| Power (kw) | 20.4 | - |
| Cooling system | Oil & air | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | - | 57 |
| Stroke (mm) | - | 48.8 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Clutch | Wet multi-plate | - |
| Lubrication system | Forced wet sump | - |
| Compression | - | 10.4:1 |
| Chassis | ||
| Front suspension | Telescopic, Oil Damped | Telescopic fork |
| Rear suspension | Swing Arm | Swingarm |
| Front brakes | Single disc | Double disc |
| Rear brakes | Single disc | Single disc |
| Frame type | Double-cradle | - |
| Front tyre | 110/70-17 | 110/70-17 |
| Rear tyre | 150/70-17 | 150/70-17 |
| Rake (fork angle) (degree) | 25.5 | - |
| Other | ||
| Starter | Electric | Electric |
| Color options |
| - |
| Dimensions | ||
| Dry weight (kg) | 139 | 188 |
| Power/weight ratio | 0.1464 | - |
| Overall height (mm) | 1,120 | 1,090 |
| Overall length (mm) | 2,078 | 2,080 |
| Overall width (mm) | 759 | 665 |
| Seat height (mm) | 780 | 795 |
| Performance | ||
| Fuel capacity (l) | 17.03 | - |
| Oil capacity (l) | 1.6 | - |
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