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Parts Question

    Ricki DC
    What is the correct spark plug replacement for ST523. The...
    Parts Question posted January 4, 2018 by Ricki DC 
    166 Views, 1 Comment
    Question:
    What is the correct spark plug replacement for ST523. The part number on the plug is J19LM-482. When searching, I get use 5161? Should I get the .030 gap or does it come preset?

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    Answer

     

    • Eugene Rounds

      The Champion 5161 was a cleaning/degresser product and not a spark plug; it is no longer on the market.

      If the current plug is a Champion J19LM you can replace it with the J19LM or use the resistor version if radio interference is problem. Although these come pregapped at 0.030 you still check it they do get bumped and gap can change.

       

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