Reply To: ’56 Lark rebuild: Unusual noise at piston/rod/crank preassembly

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January 4, 2026 at 7:48 pm #303036
Bob Wight
Participant

    US Member

    That crank journal looks sketchy.   Obviously, you’ll need to remove that center bearing and see what’s going on.   I’ve had a couple motors where that center bearing spit a needle somewhere in its life and chewed up the crank journal rendering the crank useless.

    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."