| Attribute | Aprilia SR Motard 50 2018 × | Piaggio Liberty 50 2008 × |
|---|---|---|
| General | ||
| Production from (year) | 2018 | 2008 |
| Make | Aprilia | Piaggio |
| Model | Aprilia SR Motard 50 | Piaggio Liberty 50 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Carburettor. Keihin NCV F20 | - |
| Displacement (cm³) | 49.4 | 49.4 |
| Power (kw) | 3.3 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | - |
| Torque (Nm) | 3.8 | - |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.3 |
| Gearbox | Automatic | Automatic |
| Emission details | Euro 2 | - |
| Clutch | Automatic centrifugal dry clutch | Dry automatic centrifugal type |
| Lubrication system | Wet sump | Wet sump |
| Compression | - | 10.3:1 |
| Chassis | ||
| Front suspension | Hydraulic telescopic fork with straight stanchions “ wheel travel: 86mm | Telescopic fork, 76 mm travel |
| Rear suspension | Single arm with engine crankcase as swinging element, served by a single shock “ wheel travel 76mm | Hydraulic monoshock, 83 mm travel |
| Front brakes | Single disc. Two-piston floating caliper | Single disc. calliper with opposed pistons |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 140 | 140 |
| Frame type | Single cradle structure in tubular steel with pressed reinforcements | Steel tubes |
| Front tyre | 120/70-14 | 90/80-16 |
| Rear tyre | 120/70-14 | 110/80-14 |
| Front wheel travel (mm) | 86 | 76 |
| Rear wheel travel (mm) | 82 | 83 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,350 | 1,330 |
| Dry weight (kg) | 106 | 87 |
| Power/weight ratio | 0.0311 | - |
| Overall length (mm) | 1,953 | 1,900 |
| Overall width (mm) | 720 | 670 |
| Seat height (mm) | 775 | 775 |
| Performance | ||
| Reserve fuel capacity (l) | 1.5 | - |
| Fuel capacity (l) | 7 | 6 |