Home Forums Tech Talk CR125R Shifter no spark (CDI Box bad) test

This topic contains 4 replies, has 3 voices, and was last updated by  Ed Rodzach 2 months, 1 week ago.

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  • #78030

    Ed Rodzach
    Participant

    No spark on a Honda CR125R Shifter engine.
    Replaced the spark plug, no spark.
    Has Vortex Performance Ignitions CDI box labeled Honda CR80 Dual. Has a white and black plug ins on top, only plugged into the black side.

    It has three grouped wires.
    1st group is: Grn/White, blue, red/black
    2nd group is: grn,blk/wht
    3rd group is: grn,blk/yellow
    Any help to test the above wires for ohms would be appreciated.
    Thanks for looking and your time.

    #78039

    William Martin
    Participant

    Has it worked before? I ask only because it isn’t the correct CDI for your engine… how about trying a stock Honda box, to isolate the problem between the Honda stator and the aftermarket CDI box?

    Bill M

    #78040

    Ed Rodzach
    Participant

    Yes, it worked before.

    #78052

    FREDDY SANDOVAL
    Participant

    Time to try a new or a known good working coil, also check the terminal connectors to the coil, the little wires do break at the eyelet and at the female connector to the coil.

    If wiring is ok, then try another coil, if still no spark then may be time for a new stator.

    #78064

    Ed Rodzach
    Participant

    Thanks i will check the connectors.

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