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 associated components compatible with the X-Max 125 and other listed.The kit supports engine performance by providing a reinforced cylinder bore and improved heat dissipation.Installation requires standard mechanical tools and familiarity with engine assembly.Components are engineered to meet specifications for fitment and function. Compatibility : This is a third-party part.All brand/model references are for fitment purposes only.