Thunderbird Sport Issue With Cdi Box

Discussion in 'Technical Help' started by Andy Pyatt, Nov 9, 2022.

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  1. Andy Pyatt

    Andy Pyatt New Member

    Sep 21, 2022
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    #1 Andy Pyatt, Nov 9, 2022
    Hi
    I'm a newbie having a nightmare as my bike keeps cutting out when warming up.
    Coils are ok and primary coil is ok.

    I've been advised to test a CDI ECU box. (Thunderbird Sport 900 - 2001)
    Ideally, I'd like to test one before I purchase as they're not cheap new.
    If anyone has got one that I can test first that would be great and obviously I'd cover all postage costs.

    I know it's a long shot but any help would be gratefully appreciated.
    Cheers
    Andy
     
  2. Adie P

    Adie P Crème de la Crème

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    #2 Adie P, Nov 10, 2022
    Hi Andy. Two things - first I'd delete the postcode from your profile details. I know it wouldn't get anyone to the door but it could quite easily get the wrong type of person much closer than you'd want them!

    Second, it would be worth putting the part reference number of the ECU on your post request. I don't know if all the T300s had the same spec. ECUs - if they did I MIGHT be able to help. I have a spare ECU (somehwere!) but I don't know if it works or not - it came in a box of bits I bought years ago.
     
  3. steve lovatt

    steve lovatt Something else

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    #3 steve lovatt, Nov 10, 2022
    Last edited: Nov 10, 2022
    Hi and welcome to the forum :cool:
    I know you said that the coils are OK but it might be worth checking out this old thread on here:
    "Triumph Thunderbird Sport ignition coil failure?"
     
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  4. Helmut Visor

    Helmut Visor Only dead fish go with the flow
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    #4 Helmut Visor, Nov 10, 2022
    Hi Andy :cool: +1 on losing the postcode ;)
     
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  5. Andy Pyatt

    Andy Pyatt New Member

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    #5 Andy Pyatt, Nov 10, 2022
    Hi Adie
    First thanks for the heads up about the postcode. Didn't even know it was on my profile!
    And thanks for the offer of your spare ECU I'm going to try and get hold of the part number from Triumph. So, I'll get back to you once I've found it. Appreciate your help. Cheers

     
  6. Andy Pyatt

    Andy Pyatt New Member

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    #6 Andy Pyatt, Nov 10, 2022
    Thanks Steve
    That's brilliant, and exactly the problem that I've been having.
    Cheers Andy
     
  7. Andy Pyatt

    Andy Pyatt New Member

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    #7 Andy Pyatt, Nov 10, 2022
    Hi
    I've found the CDI ECU number which is T1290063.
    Is that the same as yours?
    Cheers
    Andy
     
  8. Andy Pyatt

    Andy Pyatt New Member

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    #8 Andy Pyatt, Nov 13, 2022
    Hi Adie
    I've found the CDI ECU number which is T1290063.
    Would you mind checking if that is the same as yours?
    Cheers
    Andy


     
  9. Adie P

    Adie P Crème de la Crème

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    #9 Adie P, Nov 13, 2022
    Hi Andy.

    Yep, will try to find it in the chaos of my workshop and will get back to you - hopefully later!!
     
  10. Adie P

    Adie P Crème de la Crème

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    #10 Adie P, Nov 13, 2022
    Hi Andy. Apologies for the delay!!

    I DID indeed find the spare ECU and, unfortunately, it's bad news. The part number code on mine is T1290004 - it's a PVL part. If there's a way of finding out whether or not there's any cross compatibility with earlier part numbers then you'd be more than welcome to try it if it helps eliminate your unit but you'd need to be sure that the earlier box is actually capable of firing the TBS up otherwise it won't help with any elimination work.

    My TBS is a '99 model so I took a quick look under the seat to check if it had the same ECU as yours but, unfortunately (again!), the ECU on these is obviously not under the seat. I assume it's under the tank somewhere? If you get desperate I'd be willing to try taking the tank off to remove the ECU and let you swap it into yours to try?
     
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  11. Bikerman

    Bikerman Life's not a dress rehearsal.
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    #11 Bikerman, Nov 13, 2022
    Something else to check would be the ignition pick up coil. Same symptoms as you described, happened on my 95 Thunderbird. I changed the ignition pick up coil. Never had a problem since changing it.
     
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  12. Andy Pyatt

    Andy Pyatt New Member

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    #12 Andy Pyatt, Nov 13, 2022
    Thanks Adie
    No need to apologise, really kind of you to go to such trouble.
    I'm going to call Triumph and see if I can get an answer from them tomorrow and I'll get back to you.
    Appreciate your help.
    Cheers
    Andy
     
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  13. Andy Pyatt

    Andy Pyatt New Member

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    #13 Andy Pyatt, Nov 13, 2022
    Thanks mate, we've tried that but still a problem. But thanks for your reply.
    Cheers
    Andy
     
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  14. stevehotshot

    stevehotshot Member

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    #14 stevehotshot, Nov 14, 2022
    I expect you've checked but is the choke going off properly...?
     
  15. Andy Pyatt

    Andy Pyatt New Member

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    #15 Andy Pyatt, Nov 14, 2022
    Thanks Steve, yes it is , Cheers
     
  16. Andy Pyatt

    Andy Pyatt New Member

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    #16 Andy Pyatt, Nov 14, 2022
    HI
    I've just been in touch with Triumph and they've said the part should be compatible so it would be great if I could give it a try. Is there a way I can contact you privately to discuss postage etc? I'm happy to give out my email or is there a way to message privately on here, that I haven't discovered?
    Thanks again
     
  17. Bikerman

    Bikerman Life's not a dress rehearsal.
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    #17 Bikerman, Nov 14, 2022
    If you click on Andy's name in his profile box, the you'll see
    Adie P
    Crème de la Crème
    Male, from MID DEVON
    Profile Page Start a Conversation Follow Ignore Adie P's photos.
    Click Start a conversation. It's private, and nobody but you and Andy will be able to see it.
     
  18. Adie P

    Adie P Crème de la Crème

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    #18 Adie P, Nov 15, 2022
    Hi Andy. I've sent you a PM. :)
     
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