Hi All!

Discussion in 'Newbies Hangout' started by Rolandrat81, Feb 7, 2021.

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  1. Rolandrat81

    Rolandrat81 New Member

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    Hi all!

    recently bought a 2004 bonneville and having failed to find the cause of the poor starting I thought I’d stop by here, say hi and see if anyone has a similar experience.....

    so far I’m down to suspecting the cdi and/or pickup coil and possibly something causing a voltage drop in turn causing a crap spark

    Cheers

    rolandrat
     
    #1
    Rolandrat81, Feb 7, 2021
  2. steve lovatt

    steve lovatt Something else

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    Hi and welcome to the forum :cool:
    What condition is the battery in?
    I would start with that.
     
    #2
    steve lovatt, Feb 7, 2021
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  3. Rolandrat81

    Rolandrat81 New Member

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    Brand new and fully charged.....
     
    #3
    Rolandrat81, Feb 7, 2021
  4. Helmut Visor

    Helmut Visor Only dead fish go with the flow
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    Hallo RolandRat :cool:
     
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    Helmut Visor, Feb 7, 2021
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  5. Fork Lock

    Fork Lock Crème de la Crème

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    Welcome.
    My wrenching skills are just developed to the point of making me dangerous, but I'd start with the usual suspects: plugs, fuel filter, throttle bodies or injectors (is the '04 fuel injected?), Anyway, good luck sorting it out.
     
    #5
    Fork Lock, Feb 7, 2021
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  6. Rolandrat81

    Rolandrat81 New Member

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    Thanks. So far, new battery, oil, plugs and leads, full service (new filters, oil, check valve caps and compression) clean carbs, replace jets, check carb balance. I’ve just checked the pick up coil function and it looks okish on the oscilloscope. There’s still something causing quite a current drain on the battery under starting and I’m starting to suspect the cdi and the pickup and possibly the starter colenoid
     
    #6
    Rolandrat81, Feb 7, 2021
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  7. andyc1

    andyc1 Lunarville 7, Airlock 3

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    Hi Rolandrat81, welcome to the forum :)
     
    #7
    andyc1, Feb 7, 2021
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  8. David Cooper

    David Cooper Triumph Rocketeer.
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    Hello and welcome to the forum

    gump (1).gif
     
    #8
    David Cooper, Feb 7, 2021
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  9. darkman

    darkman Crème de la Crème

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    Hi n welcome :)
     
    #9
    darkman, Feb 7, 2021
  10. Patchinko

    Patchinko Senior Member

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    Hi Roland, I don't think I can help with your starting problem but
    20210206_082553.png
     
    #10
    Patchinko, Feb 7, 2021
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  11. Patchinko

    Patchinko Senior Member

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    Hope you get it fixed though.
     
    #11
    Last edited: Feb 9, 2021
    Patchinko, Feb 7, 2021
  12. Dartplayer

    Dartplayer Crème de la Crème

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    Hi Rolandrat and welcome to the forum :cool: best of luck sorting your issues, looking forward to seeing your ride
     
    #12
    Dartplayer, Feb 7, 2021
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  13. Tiglet

    Tiglet Vintage Member

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    Hello and welcome to the forum
     
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    Tiglet, Feb 7, 2021
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  14. Hubaxe

    Hubaxe Good moaning! aka Mr Wordsalad :)

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    Hallo, welcome bienvenue Roland.
    Hope you'll find some anwers to your starting issue.
     
    #14
    Hubaxe, Feb 8, 2021
  15. Vulpes

    Vulpes Confused Member

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    Hi and welcome.
     
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    Vulpes, Feb 8, 2021
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  16. Rolandrat81

    Rolandrat81 New Member

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    Here’s some (pretty poor) pics :)

    753C970B-D062-4B07-A1DD-C8860C2C167A.jpeg

    7083A8F6-6002-45E5-9CA1-984F13D50854.jpeg

    0EAC05AF-2FB5-406A-9185-8A4DDDE1FEE0.jpeg
     
    #16
    Rolandrat81, Feb 8, 2021
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  17. Sandi T

    Sandi T It's ride o'clock somewhere!
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    Greetings and welcome to the forum, Rolandrat! Hope you figure out your Bonnie's woes quickly and completely. Thanks for sharing the photos. I especially like the last one. Enjoy the forum!
    Screen Shot 2020-09-16 at 9.30.10 PM.png
     
    #17
    Sandi T, Feb 9, 2021
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  18. Rolandrat81

    Rolandrat81 New Member

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    Hi all, reporting back with an update....

    so for those interested in such things..... I’ve finally got to the bottom of my bonnevilles crap cold starting..... after a day in the ultrasonic tank I just reassembled the (immaculately) clean carbs and put them back on the bike. 1/2 choke and it fired up on the button!! More tweaking tomorrow (mixture and main jet need setting to suit new exhaust) when I’m not going to wake half the street but I’m well chuffed :)
     
    #18
    Rolandrat81, Mar 29, 2021
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  19. Rolandrat81

    Rolandrat81 New Member

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    1319B0D4-744E-43EC-89FC-A66953D6AB56.jpeg
     
    #19
    Rolandrat81, Mar 29, 2021
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  20. Martine

    Martine Senior Member

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    Welcome to the forum and glad to hear you're on the right path with your Bonnie. From other discussion I've read on the forum the ultrasonic treatment seems to be golden; thanks for letting us know the latest progress. Spent a little time in Germany; lived in Schwedelbach and Herschberg and had our third baby there. Hope you enjoy the forum. Ride safe.
     
    #20
    Martine, Mar 30, 2021
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