Dr. Pulley Variator Kit (24mm x 18mm) for 250cc Honda and Suzuki ScootersCOMPATIBILITY: Honda – CN250, Helix 250Suzuki – Burgman 250 This performance Dr. Pulley Variator (front clutch assembly) is specifically made for the CN Moto 250cc WithOut HI/LOW transmission engine. Therefore, this clutch only works for the GT 250 or Standard 250 or any other 250s on the market that are Forward/Neutral/Reverse OR Forward/Reverse.Variator Outer Diameter: 128mmNumber of Fan Plate Teeth: 21Smoother ramp plates create less friction on the rollers or sliders, allowing them to adapt more rapidly to changing driving conditions and resulting in less wear. The steep angle ramp plates in the Dr Pulley variators allow for faster and smoother engagement at all speeds, and allow lighter weighted sliders to fully extend to make the most of your CVT system. The Dr. Pulley variator comes with the variator, fan plate, and center dowel pin. Rollers or sliders not included. **