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Tag: 4M Oil


Quick Tip: Removing HPDI Fuel Injectors

HPDI Service Tips, Quick Tips4M Oil, Fuel, Grease, HPDI, Injectors, Quick tip

Removing HPDI fuel injectors from the cylinder heads can be a struggle, particularly in saltwater applications. Corrosion can build up between the injector and the pocket in the cylinder head. To block corrosion build-up and ease future removal, apply a light coat of Yamaha WR#2 waterproof grease (pn 90790-74046-00) to the metal injector body when […]

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