2-3 no spark

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  • JEEPRUSTY
    • Jan 2026
    #1

    2-3 no spark

    OK so after a period of degeneration my bike stopped firing the 2-3 plugs.
    Checked pri resistence and its 4.1 for both coils
    Its 25k ohms on the secondary.
    Manual says 30-60 is the acceptable range.

    Signal generator resistance specs are Ok at 350 ohms each

    SO all ressitance readings are the same for all components but no spark from 2-3. I suspect ignitor so I try another known good working ignitor same symptoms.

    So I grasp at straws and ask is it possble to connect the primary inputs from 1-4 to coil 2-3 in an effort to see if it the ignitor?

    Its dark and damp and the mosquitos tried to drag me off

    Oh and the voltage to the coil primaries is high 10-11 v both sides
    Tags: None
    • mike_of_bbg
      #2
      Originally posted by JEEPRUSTY
      Its 25k ohms on the secondary.
      Manual says 30-60 is the acceptable range.
      NGK caps? Seems the 5k NGKs are usually 5k less than the stock caps. That would be +10k if you're using NGK.

      Originally posted by JEEPRUSTY
      So I grasp at straws and ask is it possble to connect the primary inputs from 1-4 to coil 2-3 in an effort to see if it the ignitor?
      Not just possible but recommended. See if the no spark condition follows the plug or the coil. Try a continuity test of the coil ground wires from the ignitor.

      What's your battery voltage? High 10V range could be a 2V drop.

        Comment

        • JEEPRUSTY
          #3
          Originally posted by mike_of_bbg
          NGK caps? Seems the 5k NGKs are usually 5k less than the stock caps. That would be +10k if you're using NGK.



          Not just possible but recommended. See if the no spark condition follows the plug or the coil. Try a continuity test of the coil ground wires from the ignitor.

          What's your battery voltage? High 10V range could be a 2V drop.

          I am using brand new 5k NGK caps.
          Battery is fully charged.

          I will have to face this in the morning damn I hate mosquitos.

            Comment

            • mike_of_bbg
              #4
              25k is fine then.

                Comment

                • JEEPRUSTY
                  #5
                  This damn DD3-2 thing is improperly listed on dynateks site it seems.
                  I would buy one today to get rid of this old crap.

                  Spyug where is you fix?

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                    • mike_of_bbg
                      #6
                      What year/model?

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                        • JEEPRUSTY
                          #7
                          85 gs550e is the bike

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                            • koolaid_kid
                              #8
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