CR125R Shifter no spark (CDI Box bad) test

[Ed Rodzach]

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.

[William Martin]

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

[Ed Rodzach]

Yes, it worked before.

[FREDDY SANDOVAL]

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.

[Ed Rodzach]

Thanks i will check the connectors.

[Ed Rodzach]

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[FREDDY SANDOVAL]

Just sign up again, go back to your ad, hit edit, click on your text, hit your delete button on your keyboard till it’s all gone, don’t forget to do the same to your heading.

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P.S. What was the end result on your no spark condition anyway? Did you get it resolved? What was it?

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