adventure not charging, VRR numbers OK?

Discussion in 'Crazy-Awesome almost Dakar racers (950/990cc)' started by fmfpunk, Nov 5, 2013.

  1. fmfpunk

    fmfpunk Hooligan in training

    Joined:
    Jun 3, 2006
    Oddometer:
    1,176
    Location:
    La Verne, CA
    2006 950A, 54K miles.
    Not charging at all. Saw video how to test VRR. Hook leads to DVOM up 4 different combinations:
    Infinity, infinity, infinity
    497, 505, 501
    infinity, infinity,infinity
    502, 498, 494.
    Does anyone know if these are correct?

    Also checked stator at it tests OK (i think). Numbers even(ish) between the legs, none go to ground.

    What else could it be?

    Please send me any pointers.

    Thx.

    Marty
    #1
  2. fmfpunk

    fmfpunk Hooligan in training

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    My boss asked if the bike had an exciter coil, or if stator uses magnets. If has exciter then i guess that's another thing that could go bad.
    #2
  3. dmn0507

    dmn0507 Been here awhile

    Joined:
    Jul 18, 2010
    Oddometer:
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    Italy, NE, Not too far from Venice
    Most motorbikes (including the LC8s) use a generator with permanent magnets (unlike cars)
    What is the voltage output of the regulator? are all connections clean and tight?
    #3
  4. fmfpunk

    fmfpunk Hooligan in training

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    voltage when running is lower than when not running. Think when running is was 12.6ish.

    Cleaned the plug for yellow wires to stator and red wires from VRR to battery.

    Thx.
    #4
  5. Gustavo.Ramos

    Gustavo.Ramos Long timer

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    1,068
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    Accross the pond
    Check starter solenoid, mine had a contact corroded. Or bad regulator
    #5
  6. bikyto

    bikyto Dans le doute...gaz!

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    +1
    #6
  7. bikyto

    bikyto Dans le doute...gaz!

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    anyway you could swap the VR for a test? With the OEM, engine running at idle with everything off (headlight too), you should get between 13.7-14.1v
    #7
  8. fmfpunk

    fmfpunk Hooligan in training

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    Jun 3, 2006
    Oddometer:
    1,176
    Location:
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    noticed negative battery cable loose. Seems like charging some, but not enough. Will see how it does on ride home.
    #8
  9. fmfpunk

    fmfpunk Hooligan in training

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    Jun 3, 2006
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    Location:
    La Verne, CA
    Not very good voltage on the way home, but it did eventually get up to 14.1. But even turning the blinkers on made voltage drop.

    Came across a thread in an Aprillia forum describing how to test stator output. Tried it and one leg of stator is much lower than the others. Rats.

    Maybe take cover off this weekend and see what's up.
    #9
  10. gefr

    gefr Life is a trip

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    #10
  11. fmfpunk

    fmfpunk Hooligan in training

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    Jun 3, 2006
    Oddometer:
    1,176
    Location:
    La Verne, CA
    Yes, have seen the R/R, looks good.
    But i think my problem is a burned stator.

    Thx.
    #11