Yamaha Upgrade Is Here!Part Number: 531-0119UY Expanded Years Coverage Expanded Models Coverage Includes updates to Outboards, WaveRunners & Jet Boats The Yamaha M.E.D.S. update is software only. Current M.E.D.S. Owners of the Yamaha platform will need to purchase Part Number 531-0119UY. If you currently have M.E.D.S. but do not have Yamaha, please purchase Part Number 531-0119Y.  All add-ons to your current M.E.D.S.Read More »...