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Update on my xj650 141whp

Discussion in 'XJ Modifications' started by Isaacson06, May 10, 2015.

  1. Isaacson06

    Isaacson06 Member

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    Hello guys and gals haven't posted much on the forums lately I do more looking and reading but I wanted to post a update on my bike this far since the last update was about 2 years ago anyways onto the good stuff.

    Specs on the setup
    81 xj650 n/a engine
    Xj650 undercut trans gears
    Xj750 big bore pistons 68mm bore
    Xj650 turbo cams
    Other then that it's all stock xj650 n/a engine
    Fully fuel injected on microsquirt
    Walbro 255 pump
    1:1 regulator
    650cc injectors
    13g turbo with 19t billet wheel
    Intercooled
    Xj700 6 spring clutch with lock up

    Got it on the Dyno yesterday and ended the day with 21psi and 141whp 93ft-tq

    I'll upload some pictures and a video of the dyno in a few minutes
     
    Isaacson06, May 10, 2015
    #1
  2. cutlass79500

    cutlass79500 Well-Known Member

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    Sounds like a time bomb to me but you never know
     
    cutlass79500, May 10, 2015
    #2
  3. MattiThundrrr

    MattiThundrrr Not a guru

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    sounds like a freakin' missile to me! Is that xj700 clutch up to the task?
    Also,be prepared to bend the laws of space and time! I used to have a car like that... Leave work at 11:40, be home at 11:20.;) Holy crap, did I just go back in time, or did I reverse the rotation of the earth?
     
    MattiThundrrr, May 10, 2015
    #3
  4. Isaacson06

    Isaacson06 Member

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    The clutch with heavy duty springs wouldn't hold 12psi so I adapted a banshee lock up now it holds great.

    heres a video of me tuning the bike on my dyno
     
    Last edited: May 11, 2015
    Isaacson06, May 11, 2015
    #4
  5. Beekman

    Beekman XJ Grasshopper

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    Sounds like a BEAST. I want it
     
    Beekman, May 11, 2015
    #5
  6. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    Nice, very nice.
     
    chacal, May 11, 2015
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