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Thread: 2008 Tuono battery charging issue

  1. #1
    Baby Twin
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    2008 Tuono battery charging issue

    Hi all, New to the forum and of course its always looking for help..LOL..
    I have an 2008 Tuono approx 30k on the clock. I am getting the service message on the dash and the red warning triangle also. Now i reset the service interval but the issue still there. I checked the ecu for errors and this came up P-code 0616, A-code 50. I am not in any way technical :-( .. Anyone know what this means It has been running fine until today when i stopped and tried to start it again, no good. Bumped it and got it going. About 2km the bike just died(think the battery is shot) I put a spare battery into it(from an R1) just to get me home. Had to jump start that too, got it running and got home no issues(aprox 10km journey). Pulled into my garage turned off bike and tried to start it again but wouldn't start. Battery was reading approx 11.5V.
    Am i looking at new reg/rec and stator ect. I have a new battery ordered and i will fit that during the week as a first starting point..
    Thanks in advance and sorry for the long winded question but mechanics are not my thing unfortunately...
    Cheers
    Mick.

  2. #2
    GP Champ felix's Avatar
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    P0616 A 50 indicates a starter relay fault:




    Go into diagnostics and clear the fault code down - (it may be an "old" issue) - see if it returns.

    Charge up your battery fully before trying to start it again - weak battery will fook your sprag clutch.

    Dont trust the voltage reading on the dash - its crap - you need to put a meter accross the battery to get a true reading.....

  3. #3
    Baby Twin
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    Cheers Felix. Gonna replace the battery first and take it from there. Many thanks for your help :-)

  4. #4
    GP Champ felix's Avatar
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    No prob..... hope it's an easy fix....

  5. #5
    GP Champ
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    do let us all know if the problem has been resolved . as we all like answers to problems especially when it comes to gremlins of an electrical nature .

  6. #6
    Baby Twin
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    Just an update on the issue. I finally got the new battery fitted(Was away due to work). I let it fully charge for a week and tried it. Faults seem to have cleared, ran an ECU test and no faults showed up. Hope to take it for a decent spin the weekend. Thanks for the help :-)

  7. #7
    Superbike Twin
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    Simple solution to a common problem, many seem to fail suddenly without warning casting all sorts of doubt into the mix, glad you’ve had a good outcome.

  8. #8
    Baby Twin
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    Update on the charging issue.. Brought the bike out for a spin last Sunday. All went well until about 30km into spin bike started to lurch and the the red triangle and service came back on the screen. When i reached my destination bike just died. Used a power pack and restarted bike, ran for a few minutes headlight went out, put it into gear and bike died. It looks to me like the bike is not charging. I'm thinking of replacing the full Charging system inc reg/rec. Any ideas on what to get to upgrade the charging system?

  9. #9
    GP Champ
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    it does sound like your stator and rec/reg has eaten its self !!

    the stator has probably fried it self . replacement of stator and rec /reg is on the cards .

    your symptoms are exactly what I experienced earlier in the year on a French motorway !!! .

    I used a stator and mosfet rec reg from electrosport via m and p . all seems well so far !! routing the stator cable thru the engine is a proper ball ache though ...

    don't forget a full oil and filter change , and for peace of mind I did actually do an engine flush as well as the stator had started to flake bits off .

    when refitting your stator case on the rebuild use dummy bolts to align the casing , as the magnetic pull will pull the case out of centre .

  10. #10
    Baby Twin
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    Cheers bud, gonna order the parts and and replace them both just to be sure. Thanks for the info and repair tips. Will post in a week or two and let you know the result.. Thanks again.

  11. #11
    GP Champ felix's Avatar
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    Hey Mick..

    Sorry to hear of your woes.... but before you order anything... you need to test bits in situ before you pull it apart... assuming you havnt already...

    ie you can't test your stator without the engine running... etc....

    As you have an 08... the first thing I would do is look at the engine number.... pre 8176929 will " probably " have the 500w combo.... later than that "may" have the revised 370w set up... it is very rare that the later fail.

    Also, worth looking into the "cause" before you decide on your route of repair... there are a few options "if" it is a charging issue..... anything from a aftermarket stator for 100 (which may be a short term fix) to the all singing all dancing genuine Aprilia fix at around 1,000 (which should be a long term fix)

    Worth looking Into before you part with your hard earned !

    Last edited by felix; September 14th, 2018 at 11:32 AM.

  12. #12
    Baby Twin
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    Thanks for the advice and helpful info Felix, I will keep you posted........it will probably be a few weeks due to work :-(..

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