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  1. #1
    Ekallaker
    Guest

    Default Xs400 not charging

    Hello everybody Iíve just chopped my Xs 400 recently and for the life of me I cannot get my bike to charge at all. I stripped the wiring harness down to a bare minimum to just being only what Iíve needed and since I did that I have had no charging. I currently am running my system on a lithium ion battery. After riding for about 30 min the battery was dead left at 1 volt left on the battery. I have noticed the second I disconnect the battery the bike dies. I have tried about 3 different regulators and rectifiers and redone my harness multiple times and I Connor find the culprit. It will sit at about 12.8 when charged up and when I rev the engine it will go up to 12.85 but that is it. I am at a loss and have been trying to find this issue for about a month. Any help would be greatly appreciated.

  2. #2
    Senior Member

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    Join Date
    Dec 2017
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    got all the right wires connected properly and confirmed wires from stator are in good condition? confirmed all grounds are grounded right? Got the right regulator?

    found this:
    "So went to xs650 site and they suggested using the VR292 voltage regulator which i went and picked up from NAPA. Switched the bike on and everything is PERFECT!!!! Started the battery on an overnight charge to get it back to 100, but it now holds just above 12 and hits 14.3 when high idle..."
    http://www.xs400.com/threads/bike-no...eed-help.5063/

  3. #3
    Ekallaker
    Guest

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    Yes I’m almost certain it is wired correctly I’ve tried multiple ways of wiring it in case I had gotten something wrong. I’ve even already tried the dodge voltage regulator and it made no difference.

  4. #4
    Senior Member

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    Oct 2014
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    You probably burned stuff up trying all multiple possible wiring. I hate yamaha charging systems. They are crap.

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