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Running a little lean!

Discussion in 'Motorcycle Tech Talk' started by 01standard, Mar 22, 2011.

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  1. chucktx

    chucktx Moderator Staff Member

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    may be a problem with spark......coil not delivering full power at wot.........
    chucktx, Mar 29, 2011
    #21
  3. chucktx

    chucktx Moderator Staff Member

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    i stole this and put it in tech tips..........hope ya dont mind......gave you credit......:D
    chucktx, Mar 29, 2011
    #22
  4. Lucifer

    Lucifer Well-Known Member

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    Maybe the float level is too low, starving the engine of fuel at WOT....What size is the engine??What cam ?? and what carb??
    Lucifer, Mar 29, 2011
    #23
  5. chucktx

    chucktx Moderator Staff Member

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    see post #3 in this thread!!!!:)
    chucktx, Mar 30, 2011
    #24
  6. 01standard

    01standard New Member

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    2001 88 stock carb with cv carb kit. Andrews 37 cam, new heavy breather air cleaner and screamin eagle slipons.
    01standard, Mar 30, 2011
    #25
  7. JohnnyBiker

    JohnnyBiker Well-Known Member

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    Have you talked to a stealer ship or an independent shop?
    JohnnyBiker, Mar 30, 2011
    #26
  8. 01standard

    01standard New Member

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    No not yet, I am going to try one more thing and ride it to see if it's better, if not, break out the wallet!
    01standard, Mar 30, 2011
    #27
  9. chucktx

    chucktx Moderator Staff Member

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    check the float level......then the coil......both will leave ya without any wot....
    chucktx, Mar 30, 2011
    #28
  10. 01standard

    01standard New Member

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    So i went back to the 200 main with no shims, nothing changed, I will check the float level today and see if that could be it, It runs great other than wot.
    01standard, Mar 31, 2011
    #29
  11. JohnnyBiker

    JohnnyBiker Well-Known Member

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    Could it be the ignition that is going bad past a certain point? Sounds like you are losing electricity. Just a thought?
    JohnnyBiker, Mar 31, 2011
    #30
  12. hotroadking

    hotroadking Super Moderator Staff Member

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    Clogged jet will do that to you
    hotroadking, Mar 31, 2011
    #31
  13. 01standard

    01standard New Member

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    Float is fine, put the 195 back in, still flutters at 3/4 to full throttle!
    Could be ignition, but how do check that?
    Time to call the dealer I guess.
    01standard, Mar 31, 2011
    #32
  14. Lucifer

    Lucifer Well-Known Member

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    Did you check the vac lines??
    I don't know how the vacuum petcocks work...is it possible for it to have a vac leak and still flow fuel, but not enough so your bowl doesn't fill quick enough to run WOT ?? any thoughts on it??
    Lucifer, Mar 31, 2011
    #33
  15. JohnnyBiker

    JohnnyBiker Well-Known Member

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    Since it is an 01, this bike is equipped with a VOES. It really does sound like it could be this because the VOES sends the signal based on vacuum.

    See tech Tips for a better description of VOES, again just another thought or area to look in.


    Here is another explanation of what a VOES does. This is from a different forum that I thought explains what the function of a VOES is. VOES Switch Explained - Harley Davidson Community

    The VOES, at least on my bike is located on the back side of my left motor mount and has a vacuum line that runs to the carb. I am assuming that since you have changed the cams that you ride more aggressively on the lower end? If this is true, you would be using your VOES a lot on the lower end. Just a thought.
    Last edited: Apr 1, 2011
    JohnnyBiker, Apr 1, 2011
    #34
  16. 01standard

    01standard New Member

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    So here is what I found out last night, I had the 190 main with 48 idle, still missing at wot,
    when it was doing it I pulled the choke out to see if was lean, no change. Someone told me to pull the air cleaner off to check richness, And it ran great, Saying it was to rich, so I am going to try a 185 and a 180.
    01standard, Apr 1, 2011
    #35
  17. chucktx

    chucktx Moderator Staff Member

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    i would change the aircleaner........it is starving the engine for air.......jetting is not your problem and wont help if ya do rejet, you will still be starving the engine for air.........remember an engine is just like an aircompressor......
    chucktx, Apr 1, 2011
    #36
  18. HarleysLR

    HarleysLR Active Member

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    agreed,
    HarleysLR, Apr 1, 2011
    #37
  19. 01standard

    01standard New Member

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    I put a heavy air breather on it.
    01standard, Apr 2, 2011
    #38
  20. HarleysLR

    HarleysLR Active Member

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    Maybe the filter is pluged up somehow
    or for some reason it doesn't flow enough air
    HarleysLR, Apr 2, 2011
    #39
  21. Lucifer

    Lucifer Well-Known Member

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    Maybe you blocked the vacuum port on the carb installing the HB and the slide wasn't lifting right...something not right.. shouldn't be choking it with a free flow breather kit on
    Lucifer, Apr 2, 2011
    #40
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