Comparison of Derbi Atlantis 50 4T 2012 and Derbi GP1 50 Open 2009 [S]ave
| Attribute |  Derbi GP1 50 Open 2009 × |  Derbi Atlantis 50 4T 2012 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2012 |
| Make | Derbi | Derbi |
| Model | Derbi GP1 50 Open | Derbi Atlantis 50 4T |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. 17.5 mm | Carburettor. 18 mm |
| Displacement (cm³) | 49.4 | 49.9 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Belt | Belt |
| Bore (mm) | 40 | 39 |
| Stroke (mm) | 39.3 | 41.8 |
| Gearbox | Automatic | Automatic |
| Driveline | - | CVT |
| Ignition | C.D.I. | Electronic CDI |
| Clutch | Automated | Automatic |
| Lubrication system | Separate mixing with mechanical oil pump | System oil pump |
| Compression | 10.5:1 | 11.5:1 |
| Chassis | ||
| Front suspension | 32 mm upside down hydraulic fork. | 25 mm hydraulic fork. |
| Rear suspension | Monoshock. | Monoshock. |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 175 | 110 |
| Front tyre | 120/70-14 | 120/70-12 |
| Rear tyre | 140/60-13 | 120/70-12 |
| Front wheel travel (mm) | 80 | 65 |
| Rear wheel travel (mm) | 70 | 65 |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
|
|
| Electrical Voltage (V) | - | 12 |
| Dimensions | ||
| Wheelbase (mm) | 1,330 | 1,265 |
| Dry weight (kg) | 103 | 93 |
| Overall height (mm) | 1,175 | 1,115 |
| Overall length (mm) | 1,850 | 1,810 |
| Overall width (mm) | 650 | 675 |
| Seat height (mm) | 785 | 795 |
| Performance | ||
| Reserve fuel capacity (l) | - | 1.3 |
| Fuel capacity (l) | 11 | 7.1 |
| Oil capacity (l) | 1.5 | - |
| Battery capacity (Ah) | - | 4 |
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