The ENGINE: AN EIGHTH OF THE APRILIA V4
Aprilia RS4 125 is powered by the new 125 cc single-cylinder, 4-stroke, 4-valve, equipped with electronic fuel injection and liquid cooling. The sophisticated distribution to double overhead camshaft (DOHC) ensures maximum power allowed for this displacement, along with dispensing fluid and linear in the maximum respect of ecology, it complies with the most stringent anti-pollution regulations.
- DESIGN
BORN IN A FRAME TRACK AND RAISED ON THE ROAD:
The frame is undoubtedly the highlight of the project RS4: made on the basis of the exceptional experience by Aprilia in WSBK and MotoGP classes 125 and 250, shall adopt beams diecast aluminum alloy with cross-ribbing reinforcement. An extremely light, able to offer a high torsional rigidity and which is distinguished by an avant-garde design.
BRAKES AND SUSPENSION BY FIRST CLASS:
High level of both the front suspension consists of a sturdy 41 mm upside-down fork, with sheaths anodized blacks and stroke of 110 mm and the rear monoshock, where it operates a system directly attached to the asymmetric swingarm. Chapter brakes: front by a steel disc of 300 mm diameter with four-piston radial caliper, supported at the rear by a 220 mm disc with single-piston caliper. The light-alloy wheels with six-spoke split 17 “include tires 100/80 front and 130/70 at the rear.

