Please verify that the item you need matches the picture or description before purchasing. Item for sale is a ECU/ CDI (6D0-8591A-12) off of a 2004 Yamaha HPDI 300 hp 2 stroke outboard motor. View some of our Featured Items! The item “Yamaha HPDI 300hp outboard ECU/ CDI (6D0-8591A-12)” is in sale since Wednesday, September 22, 2021. This item is in the category “eBay Motors\Parts & Accessories\Boat Parts\Outboard Engines & Components\Other”. The seller is “stroudsmarine” and is located in Greenville, North Carolina. This item can be shipped to United States, Canada, Bahamas, Uruguay.