Motorcycle 47mm XR70 DAX70 CRF70 CUB70 Cylinder Block Kit For C70 CT7 DAX XR CRF 70cc 4T 12101-GB0-910 This cylinder block kit is designed for use with 47mm bore engines compatible with models such as XR70, DAX70, CRF70, and CUB70.It supports 70cc four-stroke engine configurations and serves as a replacement for part number 12101-GB0-910.The kit includes a cylinder block assembly suitable for rebuilding or upgrading small displacement motorcycle engines.It is intended for use in performance restoration or maintenance of compatible 70cc engine platforms.