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Original exhaust XJ650 compared to XJ750

Discussion in 'XJ Technical Chat' started by morg65, Jun 25, 2014.

  1. morg65

    morg65 Member

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    Hi gang,
    I am trying in vain to get my hands on an original exhaust system for my XJ650 YICS.
    I have managed to get to brand new original pipes so all I need now are the downpipes and the collector box along with some gaskets etc.
    My question is.. I can across a mint collector box and downpipes of an 82 XJ750 and it looks the same as the one off the 650.. Will this work or is there a subtle difference, maybe in the dimensions.?
    Thanks a mill.
    Morg65
     
    morg65, Jun 25, 2014
    #1
  2. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    They are the same.
     
    k-moe, Jun 25, 2014
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  3. rocs82650

    rocs82650 Well-Known Member

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    For members that may not know; this applies to the 650 Seca. The exhaust system for all U.S 650 maxim models is the same but different than the Seca system.

    Gary
     
    rocs82650, Jun 25, 2014
    #3
  4. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    Umm, not so sure that they are the same, k-moe. They carry different part numbers, and although I don't have one of each in-hand to compare, I think that the bend angles for both the headpipes and the collector "exits" are different.....so that by the time interchanged the pieces, the outlet angle of the collector exit (to the muffler inlets) is going to be really odd.

    I think....................
     
    chacal, Jun 25, 2014
    #4
  5. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Correct. There are indeed subtle differences in bend/angle in both the headpipes and the C/B.

    We need HogFiddles to chime in here; he's been playing "mixy-match" with collector box systems relative to the 650R and has learned some valuable info.
     
    bigfitz52, Jun 26, 2014
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  6. morg65

    morg65 Member

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    Thanks a million guys.. I'll hold off for the moment..With a bit of luck a good collector for the 650 will turn up.
    Happy Friday to all.
    Morg.
     
    morg65, Jun 27, 2014
    #6

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