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  1. Michael Moorey
    Post

    1983 XJ900 not charging

    Success!!!!! Charging at 14.5v at about 4000rpm 3x duff reg / rectifiers!.. all via eBay different suppliers and between 20 and 45 pounds.....
    Post by: Michael Moorey, Oct 28, 2023 in forum: XJ Technical Chat
  2. Michael Moorey
    Post

    1983 XJ900 not charging

    Hi Rooster.. so with the new reg/rectifier I'm getting 1.37v .. Green to black and with the control .. brown to positive im getting 0.07v.....
    Post by: Michael Moorey, Oct 28, 2023 in forum: XJ Technical Chat
  3. Michael Moorey
    Post

    1983 XJ900 not charging

    Thanks.. should be in a position to test new reg/rectifier this sat.. will also measure rotor resistance as advised... Many thanks
    Post by: Michael Moorey, Oct 26, 2023 in forum: XJ Technical Chat
  4. Michael Moorey
    Post

    1983 XJ900 not charging

    Thanks.. Have ordered yet another reg/rectifier.. different brand but advised its a direct replacement and not from china!.. Will have a go the...
    Post by: Michael Moorey, Oct 25, 2023 in forum: XJ Technical Chat
  5. Michael Moorey
    Post

    1983 XJ900 not charging

    My Bad!,, sorry but I'm well behind the curve when it comes to motorcycle electronics... I do appreciate your help and hopefully get to the bottom...
    Post by: Michael Moorey, Oct 25, 2023 in forum: XJ Technical Chat
  6. Michael Moorey
    Post

    1983 XJ900 not charging

    Thanks for this.. will purchase another reg/ rectifier... the other two were returned for a refund as although not bench tested the alternator...
    Post by: Michael Moorey, Oct 24, 2023 in forum: XJ Technical Chat
  7. Michael Moorey
    Post

    1983 XJ900 not charging

    Question.. how do I hold a shim/ feeler gage close to the rotor axle with the cover on? As removing the cover also removes the brushes... would...
    Post by: Michael Moorey, Oct 24, 2023 in forum: XJ Technical Chat
  8. Michael Moorey
    Post

    1983 XJ900 not charging

    Hi rooster.. I've uploaded 3x pics.. 1 showing 6 ohm across resistor 2 showing 12.4v with feed to green and black earthed 3 showing same with...
    Post by: Michael Moorey, Oct 24, 2023 in forum: XJ Technical Chat
  9. Michael Moorey
    Post

    1983 XJ900 not charging

    Thanks for this.. will give it a go... Getting 12v across brushes.. Bike only came with a replacement reg/rectifiers so can't check original.....
    Post by: Michael Moorey, Oct 24, 2023 in forum: XJ Technical Chat
  10. Michael Moorey
    Post

    1983 XJ900 not charging

    Hi Rooster.. So the resistor turned up eventually.. With battery + going through the resistor to green and black to battery -, I'm getting...
    Post by: Michael Moorey, Oct 21, 2023 in forum: XJ Technical Chat
  11. Michael Moorey
    Post

    1983 XJ900 not charging

    Still waiting for a resistor from China to test the reg/rectifier.. Pleased to hear yours was down to dirty connections.... can I ask which...
    Post by: Michael Moorey, Oct 9, 2023 in forum: XJ Technical Chat
  12. Michael Moorey
    Post

    1983 XJ900 not charging

    Re connection of the dmm... red+ to reg/ rec green and black - to battery - Thanks
    Post by: Michael Moorey, Sep 29, 2023 in forum: XJ Technical Chat
  13. Michael Moorey
    Post

    1983 XJ900 not charging

    Don't remember ever having radio shack this side of the pond! But yes .. its tricky to order single components.. Ebay is my friend..
    Post by: Michael Moorey, Sep 28, 2023 in forum: XJ Technical Chat
  14. Michael Moorey
    Post

    1983 XJ900 not charging

    Thanks Rooster.. Have ordered a resistor... May take a short while to provide results...I very much appreciate your advice and help..
    Post by: Michael Moorey, Sep 28, 2023 in forum: XJ Technical Chat
  15. Michael Moorey
    Post

    1983 XJ900 not charging

    Thanks Rooster Yes,. Running off battery no charger involved.. Looking forward to the reg/rectifier test.. Many thanks Mike
    Post by: Michael Moorey, Sep 24, 2023 in forum: XJ Technical Chat
  16. Michael Moorey
    Post

    1983 XJ900 not charging

    Hi Rooster So, after a couple of days away from the bike i have to admit a bit of pilot error measuring power through the Rotor.. This is 2.3...
    Post by: Michael Moorey, Sep 23, 2023 in forum: XJ Technical Chat
  17. Michael Moorey
    Post

    1983 XJ900 not charging

    Hi Rooster.. So.. I'm getting 0.44 amps ,. Reg disconnected, Ignition on, from green through DMM to earth.. Still getting 4.8 ohms from brown...
    Post by: Michael Moorey, Sep 18, 2023 in forum: XJ Technical Chat
  18. Michael Moorey
    Post

    1983 XJ900 not charging

    Thanks Chacal.. Mixed feelings about the bike currently.. Charging system is frustrating.. so have started cosmetic re furb.. this should...
    Post by: Michael Moorey, Sep 18, 2023 in forum: XJ Technical Chat
  19. Michael Moorey
    Post

    1983 XJ900 not charging

    Interesting... hhmm... frustrating from my perspective.. So today I've gone back to my original reg/rectifier as 2 x replacements gave exactly...
    Post by: Michael Moorey, Sep 17, 2023 in forum: XJ Technical Chat
  20. Michael Moorey
    Post

    1983 XJ900 not charging

    Hello. Yes .. getting 12v on the red wire from rear reg/rec to earth Have physically followed the green from its brush to the rear of reg/ rec...
    Post by: Michael Moorey, Sep 11, 2023 in forum: XJ Technical Chat
  21. Michael Moorey
    Post

    1983 XJ900 not charging

    Hi Rooster.. so,. with key on and not running and probing the rear of the reg/rec plug im getting : brown-earth... 12v green -earth...12v...
    Post by: Michael Moorey, Sep 10, 2023 in forum: XJ Technical Chat
  22. Michael Moorey
    Post

    1983 XJ900 not charging

    Hi Rooster.. A new reg rectifier received and no difference?! one thing i have noted is that with the reg/rectifier disconnected, im getting...
    Post by: Michael Moorey, Sep 9, 2023 in forum: XJ Technical Chat
  23. Michael Moorey
    Post

    1983 XJ900 not charging

    Many thanks for your advice.. No doubt more to come when the new reg rec arrives..currently going through all connections to confirm continuity
    Post by: Michael Moorey, Sep 3, 2023 in forum: XJ Technical Chat
  24. Michael Moorey
    Post

    1983 XJ900 not charging

    Hi Rooster.. So.. I've disconnected the rotor plug and getting 12v from the reg/rectifier.. this should be 1.8v and so indicate a new reg...
    Post by: Michael Moorey, Sep 2, 2023 in forum: XJ Technical Chat
  25. Michael Moorey
    Post

    1983 XJ900 not charging

    Thanks for the info... I thought there must be an error there.. Re the green wire... it passes from reg/rectifier through the rotor, via brushes...
    Post by: Michael Moorey, Sep 2, 2023 in forum: XJ Technical Chat
  26. Michael Moorey
    Post

    1983 XJ900 not charging

    Post by: Michael Moorey, Sep 2, 2023 in forum: XJ Technical Chat
  27. Michael Moorey
    Thread

    1983 XJ900 not charging

    Hello, A couple of weeks ago I purchased a 1983 XJ 900 which has been given the Cafe Racer treatment. I was advised at the time that it wasnt...
    Thread by: Michael Moorey, Sep 2, 2023, 53 replies, in forum: XJ Technical Chat
Showing results 1 to 27 of 27
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