Reply To: Upgrading Johnson qd-14 10 hp ,want info on cranks and parts

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October 4, 2019 at 2:59 pm #184630
Mumbles
Participant

    ’61 – ’63 are the magic years for motors with the upgraded rods and pistons with needle bearings on the pin. Here’s some photos for comparison.

    QD-Rods

    QD-Rods-Pistons