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  1. #1
    Member
    Join Date
    Jun 2010
    Location
    Chesapeake
    Posts
    29

    1989 90 HP Thermostat Sealant?

    I am installing a new thermostat, pressure control valve, and gasket. Do I add any sealant or adhesive or keep it dry?
    Thanks.

  2. Xpress Boats Moderator
    Join Date
    Apr 2009
    Location
    Springdale, Arkansas
    Posts
    9,055
    #2

    Re: 1989 90 HP Thermostat Sealant? (mtkinzel)

    I think dry is what the factory did on my 2009 90hp.

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