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Changing final drive on XJ900F to a XJ1100 final drive?

Discussion in 'XJ Technical Chat' started by Neonlight, May 26, 2020.

  1. Neonlight

    Neonlight New Member

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    Neonlight, May 26, 2020
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  2. xHondaHack

    xHondaHack Active Member Premium Member

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    No, it's not compatible. Different axle size and hub drive gear style.

    You're best option is fitting the tallest rear tire possible, but will only give you a small decrease in rpm's.
    Sure could use a sixth gear like my Maxim X.

    Tony
     
    xHondaHack, May 26, 2020
    #2
  3. Minimutly

    Minimutly Well-Known Member

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    Hmmm, why not fit the whole thing - wheel and all?
     
    Minimutly, May 26, 2020
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  4. xHondaHack

    xHondaHack Active Member Premium Member

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    It's the same gear ratio that he has, so no sense in that.

    Tony
     
    xHondaHack, May 26, 2020
    #4
  5. Neonlight

    Neonlight New Member

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    oh okay, too bad... But thanks for the response!
     
    Neonlight, May 26, 2020
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  6. Neonlight

    Neonlight New Member

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    Isn’t there a higher gear ratio in the XJ1100 final drive? Read somewhere that XJ900 has 2,9 and XJ1100 has 3,3
     
    Neonlight, May 26, 2020
    #6
  7. xHondaHack

    xHondaHack Active Member Premium Member

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    Well after I took a look at my old XS11.com bookmark I discovered you are correct on the 3.3 ratio.
    http://www.xs11.com/forum/showthread.php?threadid=13614&perpage=15&pagenumber=2

    However, you would want to go lower numerically from what you have to lower cruise RPM, so that would be going the wrong direction.

    At some point there was a thread hear on swapping the middle drive gear, but seemed to be a lot of work.
    Search for that but may not be worth the trouble to change out.

    Tony
     
    xHondaHack, May 26, 2020
    #7
  8. Neonlight

    Neonlight New Member

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    Alright I see, I will search for the thread regarding swapping the middle gear.
    But your suggestion changing to a higher rear tire seems like the best/easiest one.
     
    Neonlight, May 27, 2020
    #8

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