Reply To: Seizef piston in 1936 Johnson 100

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September 7, 2021 at 7:23 pm #246317
Bob Wight
Participant

    US Member

    Above all, patience is your best friend. The motor didn’t get stuck like it is in just a few days, so likely it won’t free up very quickly either. Heat, cooling, lots of penetrating oil and as crosbyman noted, a wooden peg and hammer on the piston should eventually get it freed up.

    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."