69mm Motorcycle Cylinder Kit With Piston And Gasket Pin for XY250 GY-6B X5 XY250-5 XY250-5A VJ250-2-7 This cylinder kit is designed for compatibility with XY250 GY-6B X5 XY250-5 XY250-5A VJ250-2-7 models.It includes a 69mm cylinder, piston, gasket, and pin.The components are engineered to fit standard engine configurations for these models.Installation requires basic mechanical tools and knowledge.The kit supports engine rebuilds and performance restoration.All parts are supplied as a complete set for straightforward assembly. This component is produced by an independent manufacturer.Brand names are used for compatibility illustration.