| General information | 
  
    | Model name | Aprilia RS4 125 | 
    | Model year | 2016 | 
    | Category | Sport | 
    | Rating | 3.6   Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike. | 
    
        | Engine and transmission | 
  
    | Displacement | 124.8 ccm (7.62 cubic inches) | 
    | Engine type | Single cylinder, four-stroke | 
    | Power output | 15.0 HP (10.9  kW)) @ 10500 RPM | 
    | Torque | 10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM | 
    | Compression | 12.5:1 | 
    | Bore x stroke | 58.0 x 47.0 mm (2.3 x 1.9 inches) | 
    | Valves per cylinder | 4 | 
    | Fuel system | Injection | 
    | Ignition | Electronic with CDI capacity discharge | 
    | Lubrication system | Wet sump | 
    | Cooling system | Liquid | 
    | Gearbox | 6-speed | 
    | Transmission type | Chain  (final drive) | 
    | Clutch | Multi-plate in oil bath. | 
    | Driveline | Primary drive: Gearbox: 63/19 (3.31).  Final drive: Chain: 17/40 (2.35). | 
    
        | Chassis, suspension, brakes and wheels | 
  
    | Frame type | Aluminium perimeter frame | 
    | Front suspension | Upside down hydraulic fork, 40 mm. | 
    | Front wheel travel | 110 mm (4.3 inches) | 
    | Rear suspension | Swingarm. Hydraulic monoshock with adjustable spring preload. | 
    | Rear wheel travel | 122 mm (4.8 inches) | 
    | Front tire | 110/80-R17 | 
    | Rear tire | 130/70-R17 | 
    | Front brakes | Single disc. Stainless steel disc with radial 4 piston calliper | 
    | Diameter | 300 mm (11.8 inches) | 
    | Rear brakes | Single disc. Single 30 mm piston | 
    | Diameter | 220 mm (8.7 inches) | 
    | Wheels | Light alloy with 6 split spokes | 
    
        | Physical measures and capacities | 
  
    | Weight incl. oil, gas, etc | 145.0 kg (319.7 pounds) | 
    | Seat height | 820 mm (32.3 inches) If adjustable, lowest setting. | 
    | Overall length | 1955 mm (77.0 inches) | 
    | Overall width | 740 mm (29.1 inches) | 
    | Wheelbase | 1350 mm (53.1 inches) | 
    | Fuel capacity | 14.50 litres (3.83 US gallons) | 
    | Reserve fuel capacity | 3.50 litres (0.92 US gallons) | 
    
        | Other specifications | 
  
    | Color options | Black, yellow | 
    | Starter | Electric | 
    | Instruments | Analogue/digital multifunction dashboard with LCD display | 
| Update specs | Report missing specs or required updates. | 
    
        | Further information | 
  | Insurance costs | Compare US insurance quotes from the nation's top providers. | 
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. | 
| Ask questions | Join the 16 Aprilia RS4 125 discussion group or the general Aprilia discussion group. | 
| Related bikes | List related bikes for comparison of specs. | 
    
        | Compare with another motorcycle | 
  |  | 
|  | 
Pictures, trademarks and logos of third parties are the exclusive 
   property of the respective owners. Technical specifications are subject to change without notice.