CDI M.E.D.S. Johnson Evinrude Add-On M.E.D.S., Marine Engine Diagnostic System, is an easy-to-use advanced software package specifically developed for troubleshooting marine engines. Benefits from M.E.D.S. Reduce Debug Time Improve Accuracy Run Print M.E.D.S. check report. Product Description M.E.D.S. Johnson Evinrude Add-On Adds Compatibility with Select Johnson Evinrude Engines California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Spe