Bonneville Wont Start

Discussion in 'Technical Help' started by herbie, May 23, 2017.

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  1. herbie

    herbie New Member

    May 23, 2017
    0
    1
    frome,somerset
    hello people
    having a p[problem with my 2013 Bonneville carb version. first thought it was a flat battery as had clicking noise but starter wouldn't turn over. when charged started ok, went for a spin filled up with fuel. then I stopped for coffee later for about 30 mins bike wouldn't start no life what so ever not even a click. manage to bump start and get home. but ever since all I get is lights come on fuel pump primes but when I press the start switch nothing at all. I have fitted a new battery and I can start by linking the poles on the solenoid, does this mean I need a new solenoid or is there something else I need to check first
     
  2. thebiglad

    thebiglad Old fart, still riding !

    Sep 25, 2013
    5,143
    800
    Central France
    Hi Herbie and welcome to the forum.

    There is a well-known issue with the Bonny efi's (like yours) that if the battery standing voltage is less than - from memory - 12.5volts, the ECU will not excite the starter relay.

    Two things to try:

    1. Charge the new battery overnight;

    2. Get yourself (if you haven't got one yet) an intelligent battery charger, with cable and connector installed on the bike, so that when you've finished for the day with the Bonny you can plug in your intelli-charger. This way you'll have no future starter problems.

    Incidentally, all Bonnys since 2008 have EFi, not carbs. They have faux carbs, just for the look.
     
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  3. crispey

    crispey crispey creme de la creme
    Subscriber

    Nov 6, 2014
    7,097
    1,000
    sw london
    Have a look here or here
    They might help or not!
     
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  4. thebiglad

    thebiglad Old fart, still riding !

    Sep 25, 2013
    5,143
    800
    Central France
    Just remembered something else. At one time Triumph dealers were offering a different 'tune' to cure this. I believe it was called the "City Tune" and from what I can make out, was a reflash of the ECU to lower the threshold of this voltage lock-out.

    This allowed you to start an EFi bike with a battery that wasn't 100% fully charged. Don't know if it's still available though.
     
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  5. steve lovatt

    steve lovatt Something else
    Subscriber

    May 12, 2014
    6,714
    1,000
    Winchester
    I can vouch for the fact that the batteries need to be fully charged on these bikes - I recently left the ignition switched on accidentally for a short time and the bike would not then start. The voltage showing with a test metre was just 12 volts. When attached to the charger it only showed 75% charged, so regular riding or intermittent charging is the only answer.
     
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  6. Esme

    Esme New Member

    Mar 21, 2019
    13
    3
    Maui
    Have you solved your issue? I believe I am having the same problem. Please let me know what you did to fix it.
     
  7. Rich Bryce

    Rich Bryce Dead Eye Dick
    Subscriber

    Sep 18, 2015
    3,102
    1,000
    Bedford
    Welcome aboard Herbie. Like others have said I'd certainly keep the battery hooked to an intelligent charger when not in use.
     
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  8. Vulpes

    Vulpes Confused Member
    Subscriber

    Mar 14, 2018
    5,808
    1,000
    Netherlands
    I reckon he's not that impressed with this forum and the advice given - just the one message two years ago... :cool::p
     
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  9. Rich Bryce

    Rich Bryce Dead Eye Dick
    Subscriber

    Sep 18, 2015
    3,102
    1,000
    Bedford
    Ha! Esme resurrecting old dead batteries :)
     
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  10. Tricky-Dicky

    Tricky-Dicky First Class Member

    Dec 12, 2016
    1,213
    643
    Norfolk UK
    There's a lot to said for kick starts.;)
     
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  11. Esme

    Esme New Member

    Mar 21, 2019
    13
    3
    Maui
    You know that was the first thing I asked when I bought my bike. "Is there a kick start?"

    Now I'm wondering if you can install an after market kick start..
     
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