Reply To: 1969 Evinrude 6hp cylinder head cooling problem

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July 19, 2024 at 8:01 am #289261
JACQUES
Participant

    the water circulates around the cylinder wall and can go through the cylinder head, but it doesn’t have to exit the motor,

    yes it must exit the motor othewhise it would heat up  !

    pull your cyl head and inspect closely. use a new head gasket  esprcially if cyl walls look normal heat wise

    check inbound and outbound water flow  ports into the ph.

    btw if you worked on the base gasket make certain you used the proper one….patterns differ

    Joining AOMCI has priviledges 🙂