Comparison of Aprilia RS 250 2002 and WSK M21W2B Kobuz [S]ave
| Attribute |  WSK M21W2B Kobuz × |  Aprilia RS 250 2002 × |
|---|---|---|
| General | ||
| Production from (year) | 1977 | 2002 |
| Make | WSK | Aprilia |
| Model | WSK M21W2B Kobuz | Aprilia RS 250 |
| Category | Touring | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | V2, two-stroke |
| Fuel system | Carburettor. GM26U Pegaz | Carburettor |
| Displacement (cm³) | 174 | 249 |
| Power (kw) | 10.2 | - |
| Fuel consumption (l/100km) | 3 | - |
| Cooling system | Air | Liquid |
| Transmission type,final drive | Chain | - |
| Torque (Nm) | 16 | - |
| Bore (mm) | 61 | 56 |
| Stroke (mm) | 59 | 50.6 |
| Gearbox | 4-speed | 6-speed |
| Greenhouse gases | 69.6 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Ignition | Battery | - |
| Clutch | Wet 4-plate | - |
| Lubrication system | Mixture 1:30 | - |
| Compression | 9.0:1 | 13.2:1 |
| Exhaust system | Single stainless steel pipes | - |
| Chassis | ||
| Front suspension | Coil springs with oil shock absorbers in fork | - |
| Rear suspension | Trailing arms with two coil springs and oil shock absorbers | - |
| Front brakes | Expanding brake (drum brake) | Dual disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Diameter (mm) | 135 | 220 |
| Frame type | Single, steel welded tubes | - |
| Front tyre | 3.00-18 | 110/70-ZR17 |
| Rear tyre | 3.00-18 | 150/60-ZR17 |
| Front wheel travel (mm) | 150 | 120 |
| Rear wheel travel (mm) | 90 | 130 |
| Other | ||
| Starter | Kick | Kick |
| Color options |
| - |
| Electrical Voltage (V) | 12 | - |
| Dimensions | ||
| Wheelbase (mm) | 1,320 | 1,370 |
| Dry weight (kg) | 112 | 141 |
| Power/weight ratio | 0.0911 | - |
| Overall height (mm) | 1,070 | 1,090 |
| Overall length (mm) | 2,020 | 1,980 |
| Overall width (mm) | 700 | 690 |
| Performance | ||
| Reserve fuel capacity (l) | 2 | 3 |
| Fuel capacity (l) | 10 | 16.5 |
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