Yamaha Mystery Filter Replacement
This Video demonstrates the process on how to replace the mystery filters located on the Yamaha HPDI outboards. These Mystery Filters are located in the high pressure pump. Yamaha does not sell this part as it is not in the parts manual. Filter basket 6mm x 3mm x 14mm. You can find them at most marine parts stores or injector shops. Same one that goes in the HPDI Injectors too
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