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#19612
Don
Participant

    US Member

    Well, I don’t think "oversealing" under the SS impeller plate can really cause any harm. It should be sealed around the outside and around the passage for the water return. Are you sure the impeller hsg screws are seating completely? Might be worth running a tap through the holes. Use a razor blade to scrape/clean the aluminum mating surface under the SS plate, and the 847 between the SS plate and the aluminum gearcase housing.
    You shouldn’t need much of any sealer on the gasket between the housing and tube receptacle, especially near that bleed hole, the OMC/merc gasket sealer is probably best in this area.