Attribute | Derbi GP1 50 2012 × | Aprilia SR 50 Factory 2014 × |
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General | ||
Production from (year) | 2012 | 2014 |
Make | Derbi | Aprilia |
Model | Derbi GP1 50 | Aprilia SR 50 Factory |
Category | Scooter | Scooter |
Engine and transmission | ||
Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
Fuel system | Carburettor. 17.5 mm | Injection. EFI low flow injector. Direct injection system External opening, SMD 8 micron medium spray. |
Engine details | - | Reed valve |
Displacement (cm³) | 49.4 | 49 |
Power (kw) | - | 3.9 |
Cooling system | Liquid | Liquid |
Transmission type,final drive | Chain | Belt |
Torque (Nm) | - | 4.7 |
Bore (mm) | 40 | 40 |
Stroke (mm) | 39.3 | 39.3 |
Gearbox | Automatic | Automatic |
Fuel control | Single Overhead Cams (SOHC) | - |
Driveline | Automatic CVT | V belt. Continuous automatic variator . |
Ignition | Electronic C.D.I. | CDI |
Clutch | Automated twist and go | Automatic centrifugal dry clutch |
Lubrication system | Separate mixing with mechanical oil pump | Wet sump forced lubrication system with mechanical pump |
Compression | 10.5:1 | 11.5:1 |
Chassis | ||
Front suspension | Inverted fork | Hydraulic fork, |
Rear suspension | Aluminium swingarm with single spring-damper | Engine unit acting as swingarm |
Front brakes | Single disc. Radially-mounted two-piston caliper | Single disc |
Rear brakes | Single disc. Single piston | Single disc |
Diameter (mm) | 175 | 190 |
Frame type | Aluminium beam frame | Split single cradle frame in high tensile strength steel tube |
Front tyre | 120/70-14 | 130/60-13 |
Rear tyre | 140/60-13 | 130/60-13 |
Seat | Dual seat | - |
Wheels | - | Five spoke light alloy wheels |
Front wheel travel (mm) | 80 | 90 |
Rear wheel travel (mm) | 70 | 70 |
Other | ||
Starter | Electric | Electric |
Color options |
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Light | Dual head lights | - |
Instruments | Analogue | - |
Dimensions | ||
Wheelbase (mm) | 1,330 | 1,290 |
Kerb weight (kg) | 115 | - |
Dry weight (kg) | 103 | - |
Overall height (mm) | 1,175 | 1,120 |
Overall length (mm) | 1,850 | 1,860 |
Seat height (mm) | 835 | 820 |
Performance | ||
Reserve fuel capacity (l) | - | 1.2 |
Fuel capacity (l) | 11 | 7 |
Oil capacity (l) | 1.5 | - |