Reply To: Rubber plugs on each side of air chamber on 1955 Johnson CD-12 Purpose?”

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March 23, 2026 at 2:19 pm #311641
DickS

    Sorry for creating such confusion on my end.  Seems that the rubber plug are actually plastic probably made in China and not part of the Johnson motor other than a former owner inserting into the air chamber to keep out dirt dobbers while the motor was in storage.