Yamaha HPDI 200hp Outboard ECU (6A5-8591A-12) off an outboard motor. Part arrived without motor so some details are an approximation. For Questions or Customer Service Contact Stroud’s Marine at. Zero Four One Five. This Yamaha 6P5-8591A-12-00 ENGINE CONTROL UNIT ASSY fits the following models and components. Yamaha Outboard Parts by HP 200HP VZ200TLR Electrical – 1. Yamaha Outboard Parts by Year 2006 And Later 200HP VZ200TLR 0406 Electrical – 1. The item “Yamaha HPDI 200hp Outboard ECU (6A5-8591A-12)” is in sale since Friday, April 2, 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.