Reply To: SOLVED – 1957 RDE-19 manifold / petal valves

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August 20, 2026 at 12:13 am #326769
Bob Wight
Participant

    US Member

    After enlarging the picture, I can make out the corroded head of the slotted screw.   Clean up the rust, apply some penetrating oil and a little heat if needed.  Once the screw is out, you’re in business.

     

    Bob

    1937 Champion D2C Deluxe Lite Twin
    1954 Johnson CD-11
    1955 Johnson QD-16
    1957 Evinrude Fastwin 18
    1957 Evinrude 3022
    1958 Johnson QD-19
    1958 Johnson FD-12
    1959 Johnson QD-20
    1982 Evinrude 25hp

    “Every 20 minute job is only a broken bolt away from a 3-day project.”
    "Every time you remove a broken or seized bolt an angel gets his wings."