Reply To: Mystery Machine

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February 7, 2022 at 10:51 pm #254250
Mumbles
Participant

    Whatever it is, they didn’t want that powerhead turning over very fast. Maybe 400 RPM here?

    Johnson used to spin their powerheads before shipping them out. A preliminary break-in done at the factory.  I’ve done it to, using the lathe while feeding the motor lots of fogging oil.