Aprilia RS4 125 Highlights

Aprilia RS4 125 belongs to the circle of championship winning superbikes technically engineered and tuned to deliver optimum performance in the racetrack. Aprilia 125 cc bikes dominated the world of MotGP by combining power, aesthetic and innovation in one machine. From its muscular body, triple headlight, low profile windscreen to the minimal racing graphics and LED lightings, the sporty look and feel flows to the RS4 125. It is powered by 124.2cc liquid-cooled engine equipped with fuel injection system and double overhead camshaft. This means impressive power and torque, efficient delivery and strictly follow emission standards. Aside from this, it is also equipped with advanced components and technological features to ensure excellent usability, comfort and full rider control. Get your Aprilia RS4 125 in matte black or sunny yellow today and prepare for your upcoming victory. Features:

  • Exhaust system integrated on the fairing
  • Aggressive racing-inspired style
  • Analogue/Digital multifunction dashboard
  • Small storage under seat compartment
  • Aprilia quick shift rapid gear change system (accessory)
  • Passenger seat can be changed with a tail cover (accessory)
  • Lightweight and rigid chassis frame
  • Suspension at high level
  • Strong stopping power from the disc brakes
  • Radial tubeless type tires with good grip

Aprilia RS4 125 Technical Details


Engine Type: Aprilia single-cylinder, four stroke, fuel injection.
Displacement: 124.2cc
Maximum Power: 15 HP (11 kW) @ 10.500 rpm
Maximum Torque: 1,11 kgm (10.9 Nm) @ 8.250 rpm
Fuel System: Electronic Fuel-Injection
Cooling: Liquid cooling


Front Suspension: Ø41 mm upside-down fork. 110 mm wheel travel
Rear Suspension: Asymmetric swingarm. Hydraulic monoshock absorber.
Front Brakes: Stainless steel disc (Ø 300 mm). Four-piston radial caliper. Metal braided brake line.
Rear Brakes: Stainless steel disc (Ø 218 mm) with single piston caliper. Metal braided brake line.
Front Tires: Radial tubeless – 100/80 ZR 17
Rear Tires: Radial tubeless – 130/70 ZR 17
Seat Height: 820 mm
Fuel Tank Capacity: 14.5 lt (3.3 lt reserve)

Aprilia RS4 125 Review


The 124.2cc cooled 4-stroke 4-valve DOHC engine is partnered with an electronic injection system to produce impressive power while keeping the engine efficient. It drives precisely from 1mph all the way to the 67mph top-end. Also, it can go even faster downhill and especially on straightaways. No wonder why Aprilia RS4 125 is being opt for MotoGP racetrack competitions by the first timers aside from being able to take home the trophy.

Ride Quality

The RS4 125 is lightweight so it has good maneuverability, agile and handles well. Its engine can rev up to 10,500 rpm but remains manageable allowing rider to drive past the other superbikes in the track. Transitioning from right to left is effortless while approaching corners requires changing your line. The non-adjustable suspension along with the tires do a good job in supporting the rider and bike’s weight for a stabilized ride. The powerful brakes are also integrated to spoil and keep the rider safe under extreme performance.


Its narrow seat at 820 mm height is designed to accommodate wide range of riders both in terms of size and skill level. Of course riding position is sporty and aggressive. The bike’s fairing offers optimal wind protection while maintaining excellent aerodynamic efficiency.

Final Verdict

With its little engine yet enormous powerband, the Aprilia is a good superbike for those who are starting to learn in the racetrack. Plus it’s quick shift rapid gear change system available as optional accessory is a tried and true feature in the world of motorcycling.

Buy a brand new bike or one that is second hand- we have options for you to choose from. Furthermore, we provide end-to-end services including financing and installments.

Part of what we love to do is fix, install accessories, repair and service bikes and we can provide that for you. We have a range of servicing packages or drop in rates for you to choose from.

Even though the Aprilia RS4 125 looks great as it comes, you know you want to tweak the overall look just a little. Step in Speedzone Supply accessories: Check out our collection of accessories for your Aprilia RS4 125 from brands like Bikers, Protaper and Delta. Favourite accessories include – fuel cap, fairing guard set, Â rear set, sprocket cover, engine cover, handlebar, grips, breaks, clutch to name a few. Come dress up your bike with the wide variety of Aprilia RS4 125 accessories we have in store and we can also help you install them.

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