Reply To: 1956 Johnson 15HP Rod bearing clearance

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December 29, 2021 at 5:32 pm #251908
Mumbles
Participant

    To accurately determine the clearance, you have to put the caps back on the rods and measure the ID after torquing them down. Then the rod journal on the crank gets measured along with the diameter of the pins. The sum of the rod journal plus two pins subtracted from the ID of the rod will give you the running clearance.