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Front tire cupping

Discussion in 'Motorcycle Tech Talk' started by HarleysLR, Nov 24, 2009.

  1. HarleysLR

    HarleysLR Active Member

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    My friend has an 09 Ultra says his front tire is starting to cup, anyone got any ideas what might be causing this to happen? 11,000 miles on tire.
    HarleysLR, Nov 24, 2009
    #1
  3. horse

    horse New Member

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    horse, Nov 24, 2009
    #2
  4. Lucifer

    Lucifer Well-Known Member

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    If it is the D407F if he goes to the dealer and complains about it he should be able to get it changed to a D408F

    TT400 – January 29, 2009 – Front Tire Running Change 2009 Models
    Front Tire Running Change 2009 Models
    There will be a running change to the front tire on 2009 models. Dunlop D407F front
    tires will be changing over to D408F tires during the first half of calendar year 2009. The
    primary difference between the two constructions is the direction of the tread. This will
    be executed as a running change for MY2009. The D408F tire will offer improved tire
    wear for some customers over the D407F.
    D407F D408F
    Tires affected
    Lucifer, Nov 24, 2009
    #3
  5. Lucifer

    Lucifer Well-Known Member

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    Check out Service Bulletin M-1258A in this link.... Login
    Lucifer, Nov 25, 2009
    #4
  6. HarleysLR

    HarleysLR Active Member

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    Lucifer, thanks for the recall info, my friend got his tire replaced by the stealer at no charge. seems Dunlop had made the mistake and the tread or the direction arrows where put on wrong. I have seen new bikes on the showroom floor with the old tires still on them.
    HarleysLR, Dec 10, 2009
    #5
  7. whacker

    whacker Active Member

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    Glad they replaced your tire...The article that Horse has is pretty good,Hope you read it....Here in Mich it will be awhile b4 I ride ..considering it's snowing like crazy out right now and we have about 8" of snow on the ground....
    whacker, Dec 10, 2009
    #6
  8. Lucifer

    Lucifer Well-Known Member

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    Good, glad to hear he got it done free....the way I heard it was Harley wanted the tread pattern that way:rolleyes:,they should stick to bikes and let the tire companies do tires:devil:
    Lucifer, Dec 11, 2009
    #7

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