52.4mm Scooter Cylinder Block Kit For 125 Citystar Django125 Speedfight 3 Tweet 125cc 4 Stroke This cylinder block kit is designed for with a 125cc 4-stroke engine.It features a 52.4mm bore diameter and is compatible with models including Citystar, Django125, Speedfight 3, and Tweet.The kit includes all necessary components for cylinder assembly, providing a complete solution for engine rebuilding or function.machined for proper fitment and , it supports standard displacement configurations and efficient combustion sealing.Suitable for use in routine maintenance or mechanical overhauls.