Comparison of Aprilia SR 50 R 2010 and Derbi Boulevard 50 2T 2009 [S]ave
| Attribute |  Aprilia SR 50 R 2010 × |  Derbi Boulevard 50 2T 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2010 | 2009 |
| Make | Aprilia | Derbi |
| Model | Aprilia SR 50 R | Derbi Boulevard 50 2T |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 49 | 49.4 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | - | Belt |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.3 |
| Gearbox | Automatic | Automatic |
| Ignition | CDI - capacitor discharge ignition | Electronic CDI |
| Clutch | Automatic centrifugal dry clutch | Centrifugal |
| Lubrication system | Separate mixing with mechanical oil pump | Separate mixing with mechanical oil pump |
| Compression | 12.1:1 | 10.6:1 |
| Chassis | ||
| Front suspension | Hydraulic fork | 37 hydraulic fork. |
| Rear suspension | Engine unit acting as swingarm | Single shock absorber. |
| 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 | - |
| Front tyre | 130/60-13 | 120/70-12 |
| Rear tyre | 130/60-13 | 120/70-12 |
| Front wheel travel (mm) | 90 | 76 |
| Rear wheel travel (mm) | 70 | 64 |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,290 | 1,340 |
| Dry weight (kg) | 199 | 115 |
| Overall height (mm) | 1,120 | 1,115 |
| Overall length (mm) | 1,860 | 1,880 |
| Overall width (mm) | 705 | 735 |
| Seat height (mm) | 820 | 780 |
| Performance | ||
| Fuel capacity (l) | 7 | 8 |
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