Aprilia RS4 50 Replica - 2017
Aprilia RS4 50 Replica - 2017
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Aprilia RS4 50 Replica - 2017

  • Product Code: APRRS450REP17
  • SKU: APRRS450REP17
  • Brand: Aprilia

The Aprilia RS50 Replica caters for the more precocious bikers, those tired of parking their bicycle in the garage next to father's or older brother's motorbike, who recognise the bike from the noise of the exhaust, who stay glued to the TV to watch the duels until the last pull away between the great champions of motorcycling. For them the first real motorcycle can only be an Aprilia, the most racing of all 50cc's: the RS4 50 Replica.


The RS4 50 pays tribute to Aprilia's unparalleled collection of competition titles: 52 world titles and hundreds of championship races won, numbers which, in its brief history, have made Aprilia one of the most decorated brands in the world with 294 GP races won, leading to maximum confirmation of champions of the calibre of Biaggi, Rossi, Capirossi, Melandri, Stoner, Lorenzo.

Aprilia's successful history also traces its way through the small engine street bikes identified by the RS abbreviation, which have always been the most beloved entry level motorcycles by young people.

After the affirmation of the sporty RS bikes, especially in the 125 version with 2-stroke engine (more than 100,000 units produced and sold since 1993 in more than 30 countries all over the world), Aprilia has completely revamped the range, introducing the RS4 in 2011, a true sport bike inspired directly by the RSV4 project. Aprilia RS4 50 and RS4 125 are the heirs to this important lineage, becoming the sport bike most sought after by young people, who were immediately attracted to the performance of the engines, the safety features and the sport riding characteristics, even if they are used for daily mobility.

The Aprilia RS4 Replica versions advance the concept of sport bikes for young people to maximum levels of technological refinement, implementing stylistic and technical solutions found in the RSV4. The RS4 “gaze” is immediately identifiable and, thanks to the particular headlight, it gives it a deeply aggressive look. The compact and sleek tail fairing is a true work of design and integrates the LED taillight. The frame and engine emerge boldly as fundamental stylistic elements on these small Aprilia super sport bikes

Aprilia is universally recognised as the manufacturer of ultra-fine chassis and the RS4 Replica versions are no exception. The frame is created based on the exceptional experience gained over the years in top level racing and it adopts die cast aluminium spars with crossed reinforcement ribs.

A lightweight structure, but at the same time with torsional rigidity, capable of providing complete control even in track use.

The suspension system is top level: the sturdy 41 mm upside down fork with black anodised sleeves has a stroke of 110 mm, while the rear monoshock is fixed directly to the asymmetrical swingarm. 

Braking system at the top of their class: the 300 mm steel disc at the front, gripped by a four piston radial calliper, works together with a 220 mm disc at the rear with a single piston calliper. The 17" wheel rimswith six spokes are shod with 100/80 rubber up front and 130/70 at the rear.

The refined chassis house latest generation engines; the single cylinder 50 cc unit developed by Aprilia for RS4 50 Replica is a water cooled two-stroke with reed valve induction, separate lubrication and mixing and a six speed gearbox.

Bike Technical Details
Engine Aprilia single-cylinder, two stroke.
Fuel Tank 14,5 lt (3,3 lt reserve)
Engine Displacement 49,9 cc
Cooling Liquid cooling
Front Suspension Ø41 mm upside-down fork. 110 mm wheel travel
Rear Suspension Asimmetric swingarm. Hydraulic monoshock absorber. Wheel travel: 122 mm
Front Brake Stainless steel disc (Ø 300 mm). Four- piston radial caliper. Metal braided brake line.
Rear Brake Stainless steel disc (Ø 218 mm) with single piston caliper. Metal braided brake line.
Seat Height 820 mm
Front Tyre Radial tubeless - 100/80 ZR 17
Rear Tyre Radial tubeless - 130/70 ZR 17
Emission Euro 2 homologation

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