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  1. #1
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    Stator test questions

    1980 cx 500c
    First part of engine serial number:
    CX500E
    Second part of engine serial (Numbers only, required):

    1-5
    Correct
    2-5
    Correct
    3-5
    Correct
    4-5
    Correct
    6-5
    Correct
    7-5
    Correct
    9-5
    Some of the coils on your stator are faulty - if you are using the stock CDI you will need to replace the stator. The Ignitech does not require these coils to run.
    9-8
    Correct

    So bike starts and idles fine ,battery holds charge and at idle reads 14.3, runs ok unless I really twist the throtle (bogs and wants to cut out ) or till about 70mph (sounds like red line but won't go any faster pops out of carb on declaration I think right side). If I ride the bike like I have some sense there is usually no problems go all out and the above happens.

    Moto factions Website says I need a new stator or a new ignitech to replace cdi.
    Would this be plug and play and solve all my worldly problems or is there more involved ?

    On the 3 yellow wire connection I got the reading of.
    A/b 1.3
    B/c1.3
    C/a1.0
    There is no spot to plug those numbers in the site hopefully someone can tell me if thay are o.k.?

    Most important can I still ride it without hurting it further? Until I get it fixed.
    Last edited by hotsauce; 05-08-2017 at 06:03 PM. Reason: Forgot
    1980 cx500 custom trying to get naked.
    Jetted,pods,straight pipes,coils,brass rod mod,progressive springs.

  2. #2
    OCR
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    With the poor readin on the 9/5 pins, you are hitting the dreaded 5k rpm stutters as the cdi can not fire off properly.
    The Ignetek unit will solve the issue until the ststor finally fails completely in a few years. (depending on how hard you run it)
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    '79CX500C

    http://www.cx500forum.com/mediawiki



    we are all given sh*t in life, but some of us learn to turn it into fertilizer and grow from it, and some us try to fling it on others like monkeys.

  3. #3
    Super Moderator CXPHREAK's Avatar
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    Your battery charging coils although a little imbalanced are OK. Also test the 3 yellow wires to ground. There should be no continuity to ground. Or from these three wires to pin 9. Either is a fail.
    purplecx500 and hotsauce like this.
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    GET A MULTIMETER RTFM I am a CX500. If you maintain me I will run forever.

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    The WIKI link for all the good tech stuff. including free FSM's with addendums

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  5. #4
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    Thanks for the replys. Cxphreak yup checked the continuity and there is none so I'm good there. I'll order the ignitech and let you know how it goes. Thanks again
    CXPHREAK likes this.
    1980 cx500 custom trying to get naked.
    Jetted,pods,straight pipes,coils,brass rod mod,progressive springs.

  6. #5
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    After more testing this week on a hot and cold bike this is what I found. I'm kinda stumped.cold or hot no continuity between ABC and ground, ABC and 9 pin no, 5 pin and ground yes. Battery is good bike charges battery. Starts easy, runs ok. I can get it to 8000k No problem, just not past 70mph. And on declaration in 5th from 70mph it pops out of carb like it's miss firing. At idle I have noticed that the left cylinder seems to be firing more often then the right, my test is just holding my hand in front of duel exhaust not the best test. is this normal with a v engine? It will run on one cylinder (left and right works) when spark boot is pulled. Any help is appreciated on where to go what to check next.

    Cold hot
    111 124
    095 105
    216 241
    113 127
    093 105
    211 241
    344 423
    083 097

    Cold
    First part of engine serial number:
    CX500E
    Second part of engine serial (Numbers only, required):
    1-5
    Correct
    2-5
    Correct
    3-5
    Correct
    4-5
    Correct
    6-5
    Correct
    7-5
    Correct
    9-5
    Some of the coils on your stator are faulty - if you are using the stock CDI you will need to replace the stator. The Ignitech does not require these coils to run.
    9-8
    Correct

    Hot

    First part of engine serial number:
    CX500E
    Second part of engine serial (Numbers only, required):
    1-5
    Your right pickup is faulty and needs to be replaced. This is required for both the stock CDI and Ignitech modules.
    2-5
    Your right pickup is faulty and needs to be replaced. This is required for both the stock CDI and Ignitech modules.
    3-5
    Your advance is faulty. Replace it if you’re running the stock CDI. If you are using an Ignitech the bike will run normally with a faulty advance.
    4-5
    Your left pickup is faulty and needs to be replaced. This is required for both the stock CDI and Ignitech modules.
    6-5
    Your left pickup is faulty and needs to be replaced. This is required for both the stock CDI and Ignitech modules.
    7-5
    Your advance is faulty. Replace it if you’re running the stock CDI. If you are using an Ignitech the bike will run normally with a faulty advance.
    9-5
    Correct
    9-8
    Correct
    1980 cx500 custom trying to get naked.
    Jetted,pods,straight pipes,coils,brass rod mod,progressive springs.

  7. #6
    OCR
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    Good thing that you ordered the Ignetek box!
    Past Master, Dryden Lodge #472
    Caroline Lodge # 681
    RAM Fidelity # 77





    '79CX500C

    http://www.cx500forum.com/mediawiki



    we are all given sh*t in life, but some of us learn to turn it into fertilizer and grow from it, and some us try to fling it on others like monkeys.

  8. #7
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    I don't think just the box will fix it. But i really dont know with the flip flop due to temputure That's why I posted the second time in the hopes I'd get a reply from someone that has seen this before and could tell me if the stator is shot or that the box would fix it for a while.. And I haven't heard back from cobram on the spring sale to buy one so no I have not order one yet.
    1980 cx500 custom trying to get naked.
    Jetted,pods,straight pipes,coils,brass rod mod,progressive springs.

  9. #8
    Super Moderator CXPHREAK's Avatar
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    There really isn't anything in your stator test results that suggest there should be a problem with any of that. The 9/5 is a little low but this isn't your problem since your bike revs past 6000 RPM as a shot low speed will prevent the bike reaching 6000. The low figure is a warning sign that the insulation on this winding is beginning to fail though.

    Whether you try your luck with an ignitech is up to you but I feel the problem is likely elsewhere.

    For starters, have you tried new spark plugs or serviced the plug caps?
    hotsauce and Shep like this.
    Rebuilding Handlebar Switches

    Rider 81 500C, Thingy Born a 78Z. Ozdeluxe born an 80 shadow.

    GET A MULTIMETER RTFM I am a CX500. If you maintain me I will run forever.

    http://cx500forum.com/mediawiki/index.php?title=Main_Page

    The WIKI link for all the good tech stuff. including free FSM's with addendums

  10. #9
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    but I feel the problem is likely elsewhere.

    For starters, have you tried new spark plugs or serviced the plug caps?
    Plus:
    Did you check the ignition coils for cracks ?

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  11. #10
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    New plugs last season. i have the brass rods just havent installed them. I'll check the coils tonight when I details home.
    Last edited by hotsauce; 05-16-2017 at 10:58 AM.
    1980 cx500 custom trying to get naked.
    Jetted,pods,straight pipes,coils,brass rod mod,progressive springs.

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