Attribute | ![]() Derbi Sonar 50 2T 2010 × | ![]() Aprilia SportCity One 50 Street 2011 × |
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General | ||
Production from (year) | 2010 | 2011 |
Make | Derbi | Aprilia |
Model | Derbi Sonar 50 2T | Aprilia SportCity One 50 Street |
Category | Scooter | Scooter |
Engine and transmission | ||
Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
Fuel system | Carburettor | Carburettor. Dell’Orto 17.5 mm |
Displacement (cm³) | 49.4 | 49.2 |
Power (kw) | 3.4 | 2.9 |
Cooling system | Air | Air |
Transmission type,final drive | Belt | Belt |
Torque (Nm) | 4.7 | 4.4 |
Bore (mm) | 40 | 40 |
Stroke (mm) | 39.3 | 39.3 |
Gearbox | Automatic | Automatic |
Emission details | - | Euro 2 |
Ignition | - | Electronic inductive discharge ignition with variable advance |
Clutch | Automatic centrifugal | Automatic centrifugal dry clutch |
Lubrication system | Mechanical oil pump | Separated mixer, with mechanical pump. |
Compression | 10.9:1 | 10.3:1 |
Chassis | ||
Front suspension | Hydraulic fork. | Hydraulic fork |
Rear suspension | Single shock absorber | Engine unit acting as swingarm. Single hydraulic shock absorber with adjustable spring preload. |
Front brakes | Single disc | Single disc |
Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Diameter (mm) | 140 | 140 |
Frame type | - | Single cradle frame in high strength steel tube. |
Front tyre | 90/80-16 | 120/70-14 |
Rear tyre | 110/80-14 | 120/70-14 |
Wheels | - | Light alloy Front: 3,00 x 14” Rear: 3,50 x 14” |
Front wheel travel (mm) | 76 | 85 |
Rear wheel travel (mm) | 64 | 76 |
Other | ||
Starter | Electric & kick | Electric & kick |
Color options |
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Carrying capacity | - | Big enough for a full face helmet. |
Dimensions | ||
Wheelbase (mm) | 1,340 | 1,355 |
Dry weight (kg) | 95 | - |
Power/weight ratio | 0.0358 | - |
Overall length (mm) | 1,960 | 1,947 |
Overall width (mm) | 735 | 730 |
Seat height (mm) | 795 | 775 |
Performance | ||
Reserve fuel capacity (l) | - | 1.5 |
Fuel capacity (l) | 6 | 7 |