Comparison of BMW F650GS and BMW G650X Challenge [S]ave
| Attribute |  BMW G650X Challenge × |  BMW F650GS × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2007 |
| Make | BMW | BMW |
| Model | BMW G650X Challenge | BMW F650GS |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Injection. Electronic fuel injection | Injection. Electronic fuel injection |
| Displacement (cm³) | 652 | 652 |
| Power (kw) | 38.7 | 36.5 |
| Fuel consumption (l/100km) | 5.1 | 4.3 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 60 | 62 |
| Bore (mm) | 100 | 100 |
| Stroke (mm) | 83 | 83 |
| Gearbox | 5-speed | 5-speed |
| Greenhouse gases | 118.3 CO2 g/km. (CO2 - Carbon dioxide emission) | 99.8 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Clutch | Wet, multi-disk | Wet, multi-disk |
| Chassis | ||
| Front suspension | 45 mm UPSD fork | 41 mm telescopic fork |
| Rear suspension | Swing arm | Swingarm |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 240 | 240 |
| Front tyre | 90/90-S21 | 100/90-S19 |
| Rear tyre | 140/80-S18 | 130/80-S17 |
| Other | ||
| Starter | Electric | - |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,500 | 1,479 |
| Dry weight (kg) | 144 | 175 |
| Power/weight ratio | 0.2688 | 0.2086 |
| Overall length (mm) | 2,205 | 2,175 |
| Seat height (mm) | 930 | 780 |
| Performance | ||
| Fuel capacity (l) | 9.5 | 17.3 |
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