Dr. Pulley Sliding Weights 23mm X 18mmCOMPATIBILITY: Apollo – 250cc ScootersBMS – 250cc Scooters, Go KartsCFMoto – 250cc Scooters, CruisersDaelim – S 250Diamo – 250cc ScootersHonda – Foresight 250 ’98-99, Forza 250/300i, Jazz-Reflex 250, Pantheon 125/150, SH300iIce Bear – 250cc ScootersJonway – 250cc ScootersKinroad – 250cc Go KartsKymco – Bet & Win (B&W) 250, Grand Dink 250, People 250/300i, Xciting 250/300, Xciting 250/300, X-Town 300i, Yager 300, Yup 250Lance – 250cc Scooters, Go KartsMotobravo – 250cc Go KartsNST – 250cc Scooters, Go KartsPeace – 250cc ScootersRoketa – 250cc Scooters, Go KartsSSR – 250cc Scooters, Go KartsSUNL – 250cc Scooters, Go KartsTank – 250cc ScootersVitacci – 250cc ScootersZNEN – 250cc ScootersMany Other 250cc CN or CFMoto Based EnginesWe highly recommend that you begin by upgrading the variator roller weights before engaging in any performance upgrades. This is the simplest of upgrades and the least expensive. This is a minimal investment and offers a maxim