Comparison of Aprilia SR 50 Factory 2014 and Derbi Variant Sport 50 2T 2015 [S]ave
| Attribute |  Aprilia SR 50 Factory 2014 × |  Derbi Variant Sport 50 2T 2015 × |
|---|---|---|
| General | ||
| Production from (year) | 2014 | 2015 |
| Make | Aprilia | Derbi |
| Model | Aprilia SR 50 Factory | Derbi Variant Sport 50 2T |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Injection. EFI low flow injector. Direct injection system External opening, SMD 8 micron medium spray. | Carburettor. Keihin 16 |
| Engine details | Reed valve | - |
| Displacement (cm³) | 49 | 49.8 |
| Power (kw) | 3.9 | 4.2 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Belt | Shaft drive (cardan) |
| Torque (Nm) | 4.7 | - |
| Bore (mm) | 40 | 39.9 |
| Stroke (mm) | 39.3 | 40 |
| Gearbox | Automatic | Automatic |
| Driveline | V belt. Continuous automatic variator . | - |
| Ignition | CDI | - |
| Clutch | Automatic centrifugal dry clutch | - |
| Lubrication system | Wet sump forced lubrication system with mechanical pump | - |
| Compression | 11.5:1 | 10.1:1 |
| Chassis | ||
| Front suspension | Hydraulic fork, | Telescopic fork |
| Rear suspension | Engine unit acting as swingarm | Single shock |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 190 | 140 |
| Frame type | Split single cradle frame in high tensile strength steel tube | Open cradle, steel piping |
| Front tyre | 130/60-13 | 120/70-14 |
| Rear tyre | 130/60-13 | 120/70-14 |
| Wheels | Five spoke light alloy wheels | Black rims |
| Front wheel travel (mm) | 90 | 85 |
| Rear wheel travel (mm) | 70 | 50 |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,290 | 1,200 |
| Overall height (mm) | 1,120 | 1,065 |
| Overall length (mm) | 1,860 | 1,820 |
| Seat height (mm) | 820 | 775 |
| Performance | ||
| Reserve fuel capacity (l) | 1.2 | 1.5 |
| Fuel capacity (l) | 7 | 7 |
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