Comparison of Derbi Sonar 50 2T 2011 and Piaggio Fly 50 4V 2016 [S]ave
| Attribute |  Piaggio Fly 50 4V 2016 × |  Derbi Sonar 50 2T 2011 × |
|---|---|---|
| General | ||
| Production from (year) | 2016 | 2011 |
| Make | Piaggio | Derbi |
| Model | Piaggio Fly 50 4V | Derbi Sonar 50 2T |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Carburettor | Carburettor |
| Engine details | Piaggio HI-PER4 engine | - |
| Displacement (cm³) | 49.9 | 49.4 |
| Power (kw) | 3.3 | 3.4 |
| Fuel consumption (l/100km) | 2.08 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 3.5 | 4.7 |
| Bore (mm) | 39 | 40 |
| Stroke (mm) | 41.8 | 39.3 |
| Gearbox | Automatic | Automatic |
| Greenhouse gases | 48.3 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Fuel control | Single Overhead Cams (SOHC) | - |
| Emission details | Euro 2, EPA, CARB | - |
| Ignition | Electronic | - |
| Clutch | - | Automatic centrifugal |
| Lubrication system | - | Mechanical oil pump |
| Compression | - | 10.9:1 |
| Chassis | ||
| Front suspension | Telescopic hydraulic fork | Hydraulic fork. |
| Rear suspension | Hydraulic single shock absorber | Single shock absorber |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 140 | 140 |
| Frame type | Tube type | - |
| Front tyre | 120/70-12 | 90/80-16 |
| Rear tyre | 120/70-12 | 110/80-14 |
| Wheels | - | 5-spoke black wheels |
| Front wheel travel (mm) | 32 | 76 |
| Rear wheel travel (mm) | 73 | 64 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
|
|
| Carrying capacity | Glove compartment and space for a helmet under the seat. | Compartment underthe seat to hold a jet helmet. |
| Dimensions | ||
| Wheelbase (mm) | 1,331 | 1,340 |
| Kerb weight (kg) | 107 | 100 |
| Dry weight (kg) | 100 | 95 |
| Power/weight ratio | 0.033 | 0.0358 |
| Overall length (mm) | 1,880 | 1,960 |
| Overall width (mm) | 734 | 735 |
| Seat height (mm) | 785 | 795 |
| Performance | ||
| Top speed (km/h) | 62 | - |
| Fuel capacity (l) | 7.1 | 6 |
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