Attribute | ![]() Derbi Atlantis 50 4T 2012 × | ![]() Aprilia Sonic 50 2008 × |
---|---|---|
General | ||
Production from (year) | 2012 | 2008 |
Make | Derbi | Aprilia |
Model | Derbi Atlantis 50 4T | Aprilia Sonic 50 |
Category | Scooter | Scooter |
Engine and transmission | ||
Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
Fuel system | Carburettor. 18 mm | Carburettor. Dell’Orto PH BN 12 carburettor |
Displacement (cm³) | 49.9 | 49.3 |
Cooling system | Air | Air |
Transmission type,final drive | Belt | Belt |
Bore (mm) | 39 | 40 |
Stroke (mm) | 41.8 | 39.2 |
Gearbox | Automatic | Automatic |
Driveline | CVT | - |
Ignition | Electronic CDI | Electronic ignition |
Clutch | Automatic | - |
Lubrication system | System oil pump | Separate mixing with mechanical pump |
Compression | 11.5:1 | 12.5:1 |
Chassis | ||
Front suspension | 25 mm hydraulic fork. | Hydraulic fork; Ø 27 mm stanchions |
Rear suspension | Monoshock. | 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 | 120/70-12 | 100/90-10 |
Rear tyre | 120/70-12 | 100/90-10 |
Front wheel travel (mm) | 65 | 65 |
Rear wheel travel (mm) | 65 | 70 |
Other | ||
Starter | Electric & kick | Electric & kick |
Color options |
| - |
Electrical Voltage (V) | 12 | - |
Dimensions | ||
Wheelbase (mm) | 1,265 | 1,175 |
Dry weight (kg) | 93 | 73 |
Overall height (mm) | 1,115 | 1,070 |
Overall length (mm) | 1,810 | 1,680 |
Overall width (mm) | 675 | 610 |
Seat height (mm) | 795 | 770 |
Performance | ||
Reserve fuel capacity (l) | 1.3 | 2 |
Fuel capacity (l) | 7.1 | 8 |
Battery capacity (Ah) | 4 | - |