Comparison of Balkan C2 - 250 and UM V2S 250 R [S]ave
| Attribute |  Balkan C2 - 250 × |  UM V2S 250 R × |
|---|---|---|
| General | ||
| Production from (year) | 1963 | 2006 |
| Make | Balkan | UM |
| Model | Balkan C2 - 250 | UM V2S 250 R |
| Category | Touring | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | V2, four-stroke |
| Valves per cylinder | - | 1 |
| Fuel system | Carburettor. 29/24 H | Carburettor |
| Displacement (cm³) | 247.3 | 249 |
| Power (kw) | 9.1 | - |
| Fuel consumption (l/100km) | 3.4 | - |
| Cooling system | Air | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 64 | 57 |
| Stroke (mm) | 70 | 48.8 |
| Gearbox | 4-speed | 5-speed |
| Greenhouse gases | 78.9 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Compression | 6.5:1 | 10.4:1 |
| Exhaust system | Double pipes | - |
| Chassis | ||
| Front suspension | - | Telescopic fork |
| Rear suspension | - | Swingarm |
| Front brakes | Expanding brake (drum brake) | Double disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Front tyre | - | 110/70-17 |
| Rear tyre | - | 150/70-17 |
| Other | ||
| Starter | Kick | Electric |
| Dimensions | ||
| Dry weight (kg) | 150 | 188 |
| Power/weight ratio | 0.0607 | - |
| Overall height (mm) | 1,036 | 1,090 |
| Overall length (mm) | 2,130 | 2,080 |
| Overall width (mm) | 660 | 665 |
| Seat height (mm) | 810 | 795 |
| Performance | ||
| Top speed (km/h) | 110 | - |
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