Comparison of Aprilia SR 50 R Factory 2007 and Derbi GPR 50 Nude 2006 [S]ave
| Attribute |  Derbi GPR 50 Nude 2006 × |  Aprilia SR 50 R Factory 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2006 | 2007 |
| Make | Derbi | Aprilia |
| Model | Derbi GPR 50 Nude | Aprilia SR 50 R Factory |
| Category | Naked bike | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell´Ortho PHVA 14 | Injection. Electronically controlled, air assisted, direct injection into the combustion chamber. |
| Displacement (cm³) | 49.9 | 49 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Shaft drive (cardan) | Belt |
| Bore (mm) | - | 40 |
| Stroke (mm) | - | 39.3 |
| Gearbox | 6-speed | Automatic |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | Electronic C.D.I. | High power inductive ignition. |
| Clutch | - | Automatic centrifugal dry clutch. |
| Lubrication system | Oil pump | Separate mixing with mechanical oil pump. |
| Compression | 11.5:1 | 11.5:1 |
| Chassis | ||
| Front suspension | Inverted fork. | Hydraulic fork |
| Rear suspension | Monoshock | Engine unit acting as swingarm; frame linkages on two radial silent block mountings; |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 180 | 190 |
| Frame type | - | Split single cradle in high tensile tubular steel |
| Front tyre | 110/80-17 | 130/60-13 |
| Rear tyre | 130/70-17 | 130/60-13 |
| Front wheel travel (mm) | 120 | 90 |
| Rear wheel travel (mm) | 110 | 70 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,311 | 1,290 |
| Overall height (mm) | 1,116 | 1,120 |
| Overall length (mm) | 1,961 | 1,860 |
| Overall width (mm) | 788 | 705 |
| Seat height (mm) | 800 | 820 |
| Performance | ||
| Fuel capacity (l) | 13 | 7 |
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