Reply To: spark plug wires for johnson A25

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July 28, 2023 at 9:44 pm #278616
GARY
Participant

    US Member

    All my A25 35 45 etc.originals have approx 9mm black lacquered cloth covered.That’s the size they need to be so that the ferrules can “clamp” them in place.Earlier A models were approx 7mm. and used metal clamps.Be careful removing the Bakelite ferrules.