Reply To: 1948 Merc KE3 Parts diagram needed.

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Oil seal is industry standard 4923  Slotted brass plug in water pump casting usually can not be removed and attempts to do so will damage the plug or the casting. The screws and lock washers used to fahen water pump to gear case are special and other standard screws and lock washers will not fit. The Little Mercs are fun to work on with or without documentation. The total parts count is not an overwhelming number and you can work on one subsection at a time. Good  Luck

Louis