!!! MEGA RARE !!! NOS (new old stock)!!!...HONDA CR125R 1987-1988 BUT DOES FIT 89 BUT THIS IS STEEL LINER VERSION 89 IS CHROME BORE...OEM CYLINDER ASSY...NO LONGER AVAILABLE FROM HONDA AND NEAR IMPOSSIBLE TO FIND NOS PART... please check; PART NUMBER 12110-KS6-830.