Re: 1960 Lark II as parts source for 1964 40hp?

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November 15, 2016 at 1:46 am #47476
vintin
Participant
    quote Chris_P:

    Yes the 1960 Lark requires 105 ft/lbs torque on the flywheel nut. Different crank. Different top bearings.

    What year did OMC go from 3/4 inch to 1inch cranks on the 40hp?

    I though it was after 1960 but am not sure.