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Thread: Do I need a New CDI Unit? ~ Please Help!

  1. #11
    Senior Member nolimitz's Avatar
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    Fire your "mechanic". It sound like he is making guesses as to your issues and will cost you big $$$ with doubtful results in the end.
    If it were me and I was unable or not willing to do the work myself, I would find a way to get the bike to MurrayF for repairs. He knows these bikes.

    There is a ton of help here to guide you thru fixing your bike. Other CDI's include the Ignitek (sp?) and the new Rae-San units.

    No offence intended, but if you are unable to maintain a 35 year old bike you probably should not own one. Not many mechanics today have ever seen one, let alone worked on one!
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  2. #12
    Super Moderator Sidecar Bob's Avatar
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    Quote Originally Posted by CXPHREAK View Post
    Just in case you have a dirty killswitch problem which can have similar symptoms to yours {bike shuts down, but will restart after a while} try disconnecting the black/white kill wire from the CDI unit and see if the problem persists
    And after that check the main fuse. When they age they sometimes become intermittent...

    And if neither the switch or the fuse is the problem test the stator the way Murray said to.
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  3. #13
    Super Moderator CXPHREAK's Avatar
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    Checking the main fuse is always a good idea, but on a stock CDI bike it has no bearing on running, once started as the CDI system runs on its own coils independently of the 12 volt system.

    If a TI bike or a CDI bike running an ignitech or raesan ignition it is a factor. The CDI replacement ignitions run on 12 volt DC.

    Should definitely run the stator tests and while running the chart test pin 9 for continuity to the three yellow charge wires. Continuity here can give some strange symptoms.
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  5. #14
    Super Moderator Sidecar Bob's Avatar
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    You're right. By the time I read the rest of the thread I forgot he said the lights were still on
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