Reply To: 1957 QD18 10HP Crankshaft Specs

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May 6, 2021 at 9:07 pm #237884
Dave
Participant

    I have a good crankshaft. Top and bottom bearings are within a 10 thousandth, at .8123 The middle bearing is at .9986, and the crankpins are .8155 Thanks for all the help!

    '57 Johnson QD18 10hp
    '53 Sea King 3hp