Home   All Parts   Engine Parts & Diagrams, Scooters-ATVs-Dirt Bikes-GoKarts   GY6- 250cc, 260cc (VOG) , Parts Fit Most Chinese, ATVs-Scooters-GoKarts   250cc GY6/CF/CH/CN 250 Water Cooled 72mm, Parts Used on Many Scooters, ATVs, GoKarts   PISTON KIT 250cc 4-Stroke 72mm CF250, CN250 + Others , B=72 Pin=17 H=45.3 , Ctr Pin To Top = 22.5