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The XJ (Microsquirt) EFI discussion thread

Discussion in 'XJ Technical Chat' started by darkfibre, Sep 19, 2011.

  1. moparpogue

    moparpogue New Member

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    So I have two XJ700s. I'm going to go the Genro route and use GSXR Throttle bodies.

    Since I have one XJ running just fine, I'm going to pull the engine out of the other bike, clean the frame up, and rewire everything. Genro pointed out the need to isolate certain wires from the rest with foil. Is there anything in the bike's (not including the Microsquirt harness) that I should sleeve before I button it all up?

    Then what on the Microsquirt should I sleeve? (I'm using EMI/RF braided sleeving to make it all pretty... and sturdy.)
     
  2. darkfibre

    darkfibre Member

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    Leave the standard wiring on the bike as is.

    The circuits prone to interference will be your crank triggers and low level ignition outputs. These circuits are the lowest level and most prone to being effected by noise.

    Your typical car will have these shielded as well as the oxygen sensor.

    By memory there is a lot of reading on the mega/microsquirt site that details most of this.
     
  3. KrS14

    KrS14 Active Member

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    I'd love to see this offered as a kit to buy ;) hint hint Len :)
     
  4. moparpogue

    moparpogue New Member

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    I'm not rewiring for the sake of the EFI. I'm rewiring because the wires have been chewed thru and parts canibalized for another bike before I bought it.

    I build a lot of wiring harnesses for man portable systems, so wiring won't be an issue. I think I can probably make it a little nicer than Yamaha ever did.

    Thanks for the input.
     
  5. 750E-II_29Rbloke

    750E-II_29Rbloke Active Member

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    What's going on with this little lot, anyone still running/carrying out EFI conversions?

    Not exactly planning to do this myself at the moment (not enough cash & I like carbs anyway!) but I find this a fascinating subject all the same, and could maybe be tempted to fuel inject an engine one day in the future...
     
  6. darkfibre

    darkfibre Member

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    My project is not dead yet.

    I have been busy sorting out my junk and recreating a work area.

    Finally cleared my backlog of repair promises and have a clear slate.

    Just have to get my ass into gear.
     
  7. 750E-II_29Rbloke

    750E-II_29Rbloke Active Member

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    Cool, will keep an eye out for it :) Isn't it weird though, that I necro'ed this thread the other day & suddenly skylark makes the first 'squirt related post for years in the mods forum the very next day! 8O lol
     
  8. MidnightXJ

    MidnightXJ New Member

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    I noticed that most people who choose ITBs seem to be using the 01-03 gsxr 600 throttle bodies. Does anyone know if the later model ones have the same od, or would otherwise be an improper fit?
     
  9. darkfibre

    darkfibre Member

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    From memory the gsxr throttle bodies only fit the spacing for a 700, not a 750.

    Certainly they were not a plug and play option for my 750 seca.
     
  10. MidnightXJ

    MidnightXJ New Member

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    Well that's good to know. What throttle bodies did you end up going with on your 750?
     
  11. Polock

    Polock Well-Known Member

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    i hate to keep linking over to kzrider but it seems like there's a lot of info there kzrider link
     
  12. waldo

    waldo Member

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    1 down 4 up
     
    Stumplifter likes this.
  13. hogfiddles

    hogfiddles XJ-Wizard, Host-Central NY Carb Clinic Moderator Premium Member

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    Seems like it IS........
     

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