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clutch spring rates and dimensions of 1100 and 750x

Discussion in 'XJ Technical Chat' started by farmer, Aug 26, 2013.

  1. farmer

    farmer Member

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    does anyone know, are the 1100 springs compatible with the stock 650 clutch? Will they fit and work, and do they have the highest stock spring rate out of all the XJ's?

    I think stock 650 springs are 50lb at 1 inch? Does anyone know?

    Looking for the strongest springs I can put into my xj650 turbo, right now I am runing EBC aftermarket springs for 650 turbo and above 11 psi, my clutch begins to slip.

    I assumed the 1100 would be the strongest stock of them all..
     
    farmer, Aug 26, 2013
    #1
  2. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    Although I don't have spring rates available, typically the thicker the wire diameter, the stiffer the spring...........


    HCP3221
    OEM clutch COMPRESSION SPRING
    no color stripe
    42.71mm tall
    16.70mm OD
    2.29mm wire
    Applications:
    XJ650 Turbo
    XJ750RL


    HCP3241
    OEM clutch COMPRESSION SPRING
    dark blue color stripe
    42.68mm tall
    16.69mm OD
    2.30mm wire
    Applications:
    XJ1100
    XS1100 all models
     
    chacal, Aug 26, 2013
    #2
  3. farmer

    farmer Member

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    so essentially the same...

    Thanks Chacal. I need something much stronger...

    When you did the 6 spring clutch swap, did you also swap over the 6 spring clutch outer basket too?
     
    farmer, Aug 27, 2013
    #3

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