Comparison of Aprilia Sonic 50 GP 2008 and Keeway Swan 50 2014 [S]ave
| Attribute |  Keeway Swan 50 2014 × |  Aprilia Sonic 50 GP 2008 × |
|---|---|---|
| General | ||
| Production from (year) | 2014 | 2008 |
| Make | Keeway | Aprilia |
| Model | Keeway Swan 50 | Aprilia Sonic 50 GP |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor. Dell’Orto PH BN 12 carburettor |
| Displacement (cm³) | 49.3 | 49.3 |
| Power (kw) | 2.7 | - |
| Cooling system | Air | Liquid |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 4.2 | - |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.2 | 39.2 |
| Gearbox | Automatic | Automatic |
| Ignition | CDI | Electronic ignition |
| Clutch | Automatic | - |
| Lubrication system | Separate lubrication | Separate mixing with mechanical pump |
| Compression | 6.9:1 | 12.5:1 |
| Chassis | ||
| Front suspension | Telescopic forks | Hydraulic fork; Ø 27 mm stanchions |
| Rear suspension | Telescopic coil spring oil damped | Engine acting as swingarm, attached to the frame by rising rate linkages on 2 radial and 2 axial vibration dampers. Rising rate monoshock; Ø 50 |
| Front brakes | Single disc | Single disc. caliper with two opposing Ø 32 mm pistons |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 110 | 110 |
| Frame type | - | Split single cradle in high strength tubular steel |
| Front tyre | 3.50-10 | 100/90-10 |
| Rear tyre | 3.50-10 | 100/90-10 |
| Front wheel travel (mm) | 70 | 65 |
| Rear wheel travel (mm) | 45 | 70 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,190 | 1,175 |
| Dry weight (kg) | 75 | 73 |
| Power/weight ratio | 0.036 | - |
| Overall height (mm) | 1,090 | 1,070 |
| Overall length (mm) | 1,680 | 1,680 |
| Overall width (mm) | 600 | 610 |
| Seat height (mm) | 765 | 770 |
| Ground clearance (mm) | 105 | - |
| Performance | ||
| Reserve fuel capacity (l) | - | 2 |
| Fuel capacity (l) | 3.7 | 8 |
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