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#283549
JACQUES
Participant

    20kv….so you were talking  coil to plugs ???

    what model of 4hp is it ?

    because the firing  voltage from the stator  to the  ignition coils themselves   surely can’t  be  20KV !   maybe 400v  with  phase maker ignition.

     

    see AOMCI  western region article

    https://wrcoutboards.org/wp-content/uploads/2021/02/The-Phase-Maker-CDI.pdf

    MERCURY Outboard no SPARK easy and CHEAP repair! (youtube.com)

    Magazine Articles | Western Reserve Chapter (wrcoutboards.org)

    Joining AOMCI has priviledges 🙂