This Honda MR50 OEM piston is perfect for vintage motorcycle enthusiasts looking to replace their old piston. With a size of +1.00mm, this piston fits Honda MR50 models from 1974-1975, and has a manufacturer part number of 13105-131-000. Its vintage part status adds to its appeal for collectors and restoration projects alike. This piston is a great way to ensure your Honda MR50 runs smoothly without any concerns about its internal workings. BOX5