Scooter X-Max 125 52mm Cylinder Block Kit For Husqvama SMR SMS TE XRX 125 MBK Cityliner Skycruiser 125cc 4-Stroke This cylinder block kit is designed for use with specified 125cc 4-stroke scooter models.It includes a 52mm cylinder and piston assembly compatible with the X-Max 125 and other listed.The kit supports engine performance by providing a precise fit and internal components.It is intended for replacement or rebuilding of the engine's core elements.Installation requires standard mechanical tools and knowledge of small engine systems.This part integrates into the existing engine housing and works with specifications.