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Thread: J-Max owners- I need help.

  1. #1

    Default J-Max owners- I need help.

    I've got a J-Max I need help troubleshooting a problem with the CDI (Ecu) box. The rear two cylinders won't get spark- Ive swapped the coils between the front and the back cylinders and still don't get spark.

    So what I'm looking for is somebody with a J-Max that I can borrow the CDI box from to start the boat. I can pay whoever for their time before I pay 1300$ for a new CDI. I just want to know what the problem is.

    Thanks in advance!

  2. #2
    Join Date
    Nov 2013


    Did you try changing spark plugs out, or wires. Probably a long shot but might be worth a try. Where is your boat located?


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