| Aprilia's profilation of this bike |
| Aprilia continues to win on tracks all over the world, not with 2-stroke bikes but especially in the Superbike, the category that represents the highest expression of bikes derived from mass production. It is inevitable therefore that the new Aprilia RS4 125 is born with a 4-stroke engine, like the RSV4 and with a “package” of racing technology not found in the competition, such as the innovative Aprilia Quick Shift rapid gear change system, a sophisticated technical solution directly derived from its bigger sister, the RSV4 APRC. |
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General information |
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Motorcycle name
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Aprilia RS4 125 |
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Model year
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2015 |
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Category
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Sport |
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Rating
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3.5 Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike. |
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Engine and transmission |
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Displacement
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124.8 ccm (7.62 cubic inches) |
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Engine type
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Single cylinder, four-stroke |
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Power output
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15.0 HP (10.9 kW)) @ 10500 RPM |
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Torque
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10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM |
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Compression
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12.5:1 |
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Bore x stroke
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58.0 x 47.0 mm (2.3 x 1.9 inches) |
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Valves per cylinder
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4 |
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Fuel system
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Injection |
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Ignition
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Electronic with CDI capacity discharge |
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Lubrication system
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Wet sump |
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Cooling system
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Liquid |
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Gearbox
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6-speed |
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Transmission type
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Chain (final drive) |
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Clutch
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Multi-plate in oil bath. |
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Driveline
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Primary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35). |
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Chassis, suspension, brakes and wheels |
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Frame type
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Aluminium perimeter frame |
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Front suspension
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Upside down hydraulic fork, 40 mm. |
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Front wheel travel
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110 mm (4.3 inches) |
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Rear suspension
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Swingarm. Hydraulic monoshock with adjustable spring preload. |
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Rear wheel travel
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122 mm (4.8 inches) |
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Front tire
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110/80-R17 |
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Rear tire
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130/70-R17 |
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Front brakes
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Single disc. Stainless steel disc with radial 4 piston calliper |
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Diameter
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300 mm (11.8 inches) |
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Rear brakes
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Single disc. Single 30 mm piston |
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Diameter
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220 mm (8.7 inches) |
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Wheels
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Light alloy with 6 split spokes |
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Physical measures and capacities |
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Weight incl. oil, gas, etc
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120.0 kg (264.6 pounds) |
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Seat height
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820 mm (32.3 inches) If adjustable, lowest setting. |
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Overall length
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1955 mm (77.0 inches) |
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Overall width
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740 mm (29.1 inches) |
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Wheelbase
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1350 mm (53.1 inches) |
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Fuel capacity
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14.50 litres (3.83 US gallons) |
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Reserve fuel capacity
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3.50 litres (0.92 US gallons) |
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Other specifications |
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Color options
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Black, yellow |
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Starter
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Electric |
| Update specs | Report missing specs or required updates. |
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Further information |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Parts finder |
Check out our overview of motorcycle webshops at Bikez.info. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 15 Aprilia RS4 125 discussion group or the general Aprilia discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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Technical issues with this bike
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technical issue related to this motorcycle, please leave a comment for other riders.
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