Reply To: Mercury KD-4 Cast Aluminum gas tank seam leak

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January 23, 2020 at 9:25 pm #192900
Bob Wight
Participant

    US Member

    Buc,
    Never had to seal a gas tank before but Permatex Motoseal is represented as gasoline resistant and for filling gaps in uneven surfaces. I’m sure others have experience in an appropriate sealer. Here’s a TDS on Motoseal:

    https://441py33rout1ptjxn2lupv31-wpengine.netdna-ssl.com/wp-content/uploads/tech_docs/tds/29132.pdf

    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."