Comparison of Aprilia RS4 125 2015 and Derbi Mulhacen 125 2011 [S]ave
| Attribute |  Aprilia RS4 125 2015 × |  Derbi Mulhacen 125 2011 × |
|---|---|---|
| General | ||
| Production from (year) | 2015 | 2011 |
| Make | Aprilia | Derbi |
| Model | Aprilia RS4 125 | Derbi Mulhacen 125 |
| Category | Sport | Naked bike |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Injection | Carburettor. 30 mm |
| Displacement (cm³) | 124.8 | 124.2 |
| Power (kw) | 10.9 | 10.9 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 10.9 | - |
| Bore (mm) | 58 | 58 |
| Stroke (mm) | 47 | 47 |
| Gearbox | 6-speed | 6-speed |
| Fuel control | - | Double Overhead Cams/Twin Cam (DOHC) |
| Emission details | - | Euro 3 |
| Driveline | Primary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35). | - |
| Ignition | Electronic with CDI capacity discharge | - |
| Clutch | Multi-plate in oil bath. | Multi-plate in oil bath |
| Lubrication system | Wet sump | Dry sump |
| Compression | 12.5:1 | 12.0:1 |
| Chassis | ||
| Front suspension | Upside down hydraulic fork, 40 mm. | 37 hydraulic fork. |
| Rear suspension | Swingarm. Hydraulic monoshock with adjustable spring preload. | Mono-shock |
| Front brakes | Single disc. Stainless steel disc with radial 4 piston calliper | Single disc |
| Rear brakes | Single disc. Single 30 mm piston | Single disc |
| Diameter (mm) | 220 | 218 |
| Frame type | Aluminium perimeter frame | Tubular High Tensile Steel |
| Front tyre | 110/80-R17 | 100/90-18 |
| Rear tyre | 130/70-R17 | 130/80-17 |
| Wheels | Light alloy with 6 split spokes | - |
| Front wheel travel (mm) | 110 | 130 |
| Rear wheel travel (mm) | 122 | 130 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,350 | 1,326 |
| Kerb weight (kg) | 120 | 124 |
| Dry weight (kg) | - | 110 |
| Power/weight ratio | - | 0.0991 |
| Overall length (mm) | 1,955 | 1,975 |
| Overall width (mm) | 740 | 750 |
| Seat height (mm) | 820 | 750 |
| Performance | ||
| Reserve fuel capacity (l) | 3.5 | - |
| Fuel capacity (l) | 14.5 | 11 |
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