Comparison of Derbi Atlantis 50 2T Bullet and Piaggio Liberty 50 Catalyzed [S]ave
| Attribute |  Piaggio Liberty 50 Catalyzed × |  Derbi Atlantis 50 2T Bullet × |
|---|---|---|
| General | ||
| Production from (year) | 2005 | 2009 |
| Make | Piaggio | Derbi |
| Model | Piaggio Liberty 50 Catalyzed | Derbi Atlantis 50 2T Bullet |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | - | Carburettor. 17.5 mm |
| Displacement (cm³) | 49.4 | 49.4 |
| Fuel consumption (l/100km) | 47 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | - | Belt |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.3 |
| Gearbox | - | Automatic |
| Greenhouse gases | 1,090.4 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Ignition | Electronic CDI | C.D.I. |
| Clutch | Dry automatic centrifugal type | Centrifugal |
| Lubrication system | Wet sump | Mechanical oil pump |
| Compression | 10.3:1 | 10.5:1 |
| Chassis | ||
| Front suspension | Telescopic fork | Hydraulic fork. |
| Rear suspension | Hydraulic monoshock | Monoshock. |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 140 | 110 |
| Frame type | Steel tubes | - |
| Front tyre | 90/80-16 | 120/70-12 |
| Rear tyre | 110/80-14 | 120/70-12 |
| Front wheel travel (mm) | 76 | 25 |
| Rear wheel travel (mm) | 83 | 65 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Dimensions | ||
| Wheelbase (mm) | 1,330 | 1,265 |
| Dry weight (kg) | 87 | 86 |
| Overall length (mm) | 1,900 | 1,810 |
| Overall width (mm) | 670 | 675 |
| Seat height (mm) | 775 | 790 |
| Performance | ||
| Reserve fuel capacity (l) | - | 1.5 |
| Fuel capacity (l) | 6 | 7.1 |
| Oil capacity (l) | - | 1.5 |
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