Attribute | ![]() Derbi GPR 125 4T 4S × | ![]() Aprilia SR Motard 50 2020 × |
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General | ||
Production from (year) | 2012 | 2020 |
Make | Derbi | Aprilia |
Model | Derbi GPR 125 4T 4S | Aprilia SR Motard 50 |
Category | Sport | Scooter |
Engine and transmission | ||
Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
Valves per cylinder | 4 | 4 |
Fuel system | Carburettor. 30 mm | Carburettor. Keihin NCV F20 |
Displacement (cm³) | 124.8 | 49.9 |
Power (kw) | 10.9 | 3.3 |
Cooling system | Liquid | Air |
Transmission type,final drive | Chain | Belt |
Torque (Nm) | - | 3.8 |
Bore (mm) | 58 | 40 |
Stroke (mm) | 47 | 39.3 |
Gearbox | 6-speed | Automatic |
Fuel control | Single Overhead Cams (SOHC) | - |
Emission details | Euro III | Euro 2 |
Ignition | Electronic CDI | - |
Clutch | Multi-disc | Automatic centrifugal dry clutch |
Lubrication system | Oil pump | Wet sump |
Compression | 12.0:1 | - |
Chassis | ||
Front suspension | 40 mm upside-down fork. | Hydraulic telescopic fork with straight stanchions “ wheel travel: 86mm |
Rear suspension | Monoshock. | Single arm with engine crankcase as swinging element, served by a single shock “ wheel travel 76mm |
Front brakes | Single disc. Radial Caliper | Single disc. Two-piston floating caliper |
Rear brakes | Expanding brake (drum brake). Floating Caliper | Single disc. ABS |
Diameter (mm) | 218 | 218 |
Frame type | - | Aluminum perimeter |
Front tyre | 110/80-17 | 120/70-14 |
Rear tyre | 130/70-17 | 120/70-14 |
Front wheel travel (mm) | 110 | 110 |
Rear wheel travel (mm) | 120 | 122 |
Other | ||
Starter | Electric | Electric & kick |
Color options |
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Instruments | Multifunction instrument panel with LCD display inspired by MotoGP. | - |
Dimensions | ||
Wheelbase (mm) | 1,355 | 1,350 |
Dry weight (kg) | 120 | 106 |
Power/weight ratio | 0.0908 | 0.0311 |
Overall length (mm) | 2,015 | 1,953 |
Overall width (mm) | 720 | 720 |
Seat height (mm) | 810 | 820 |
Performance | ||
Reserve fuel capacity (l) | - | 1.5 |
Fuel capacity (l) | 14 | 7 |