Scooter 61mm Cylinder Block Kit For Cruisym180 XS175T-2 ST175 Fiddle 200 III Symphony ST 200i 200cc 12100-XJA-010 4T This cylinder block kit is designed for use with 200cc 4-stroke engines and fits models including Cruisym180, XS175T-2, ST175, Fiddle 200 III, Symphony, and ST 200i.The kit includes a 61mm cylinder block that supports engine performance and durability.It is engineered to meet specifications for proper fit and function.This replacement part is suitable for scooter maintenance and repair applications. Compatibility : This is a third-party replacement component.Brand and model references are included solely to indicate fitment.