A display of the way a CVT works on my Kymco zx50 engine with a Polini race cylinder, motorio full race pipe (C16 style), 24MM Keihin pwk, CT race manifold, Koso coil, cheap blue race cdi, Polini race rollers, Polini 70cc boost bottle, Polini race variator, Naraku racing light weight drive face, polini overrange driven pulley, polini 3 shoe clutch, lightweight clutch bell.