Aprilia

A FRAME BORN ON THE TRACK AND GROWN UP ON THE ROAD
The frame is undoubtedly the flagship of the RS4 project: created based on the exceptional experience acquired by Aprilia in the WSBK and in the 125 and 250 classes of the MotoGP, it adopts die-cast beams in aluminium alloy with cross-ribbing reinforcement. An extremely lightweight structure, able to offer a high torsional rigidity and which stands out for its avant-garde design.

FIRST CLASS BRAKES AND SUSPENSION
Both the front suspension, with a robust 41 mm upside-down front fork with black anodised sheaths and 110 mm stroke, as well as the rear suspension with a single shock absorber directly fixed to the asymmetric swingarm are high level. Brakes: at the front a 300 mm diameter steel disc with four-piston radial caliper, supported at the rear by a 220 mm disc with single-piston caliper. The 17” alloy, double six-spoked rims mount 100/80 tyres at the front and 130/70 tyres at the rear.

THE ENGINE: AN EIGHTH OF THE APRILIA V4.

The Aprilia RS4 125 is powered by the new single cylinder, 125 cc, 4 stroke, 4 valve engine, with electronic fuel injection and liquid cooling. The sophisticated double overhead camshaft (DOHC) distribution ensures maximum power for this capacity, along with fluid and linear output with maximum respect for the environment, being compliant with the most stringent anti-pollution regulations.




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