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need 5th gear ratio

Discussion in 'XJ Technical Chat' started by simusix, Feb 21, 2011.

  1. simusix

    simusix New Member

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    hi, I,m building a trike and need the following info , does anybody know the 5th gear ratio for an x reg xj750,and middle gear ratio, ?.
    thanks simon
     
    simusix, Feb 21, 2011
    #1
  2. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Location:
    Rural SE Michigan 60 miles N of Motown
    From the Haynes, and I don't know if I'd 100% trust it, model-wise, so I'll give you the whole thing:

    "Top" (5th) gear 0.812:1 (26/32)

    Output spur gear ratio:
    XJ750J: 1.297:1 (48/37)
    All other models: 1.361:1 (49/36)

    Middle gear ratio: 1.055:1 (19/18)

    Final drive gear ratio: 2.909:1 (32/11)

    All I have for the 750s is the Haynes; I'm suspicious of everything being exactly the same, 650-750, except for the 750J's output spur. But this is all that's listed.

    Somebody with a factory book needs to double-check this.
     
    bigfitz52, Feb 22, 2011
    #2
  3. simusix

    simusix New Member

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    thanks bigfitz52
    will try turn engine over and count turns in each gear through rear wheel. cheers
     
    simusix, Feb 24, 2011
    #3

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