The SUPEROK is the ultimate evolution of the ROK engine by Vortex, using many of its important characteristics, but featuring a large amount of innovations to further develop the products range.

Not changing the displacement of 125cc and the reed admission in the crankcase, the reed block is now bigger, and the carburetor is a d.36mm by Del’Orto instead of the standard d. 30mm carburetor.

The new cylinder with a special liner similar to that of the RVS engine, it has a 5-transfers scavenging, and the 3-ports exhaust is provided with pneumatic power valve.

The digital ignition has a different advance diagram; the exhaust plant is a new design with integrated silencer; the rotor of the centrifugal clutch is now monolithic.