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Air jets mix up

Discussion in 'XJ Modifications' started by daviexj650, Apr 28, 2011.

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  1. daviexj650

    daviexj650 Member

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    Not sure if i did this right , the bike now bogs down and runs rich
     
    daviexj650, Apr 28, 2011
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  2. KrS14

    KrS14 Active Member

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    You very well could have, they're kinda backwards from fuel jets.

    The pilot (#190?) is the BIG one and the main is the small (#85) one.
     
    KrS14, Apr 28, 2011
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  3. daviexj650

    daviexj650 Member

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    So the big jet goes torward the air cleaner and the little jet torward the motor ?
    Thank you
    Dave
     
    daviexj650, Apr 28, 2011
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  4. -Azrael-

    -Azrael- Member

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    -Azrael-, Apr 28, 2011
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  5. daviexj650

    daviexj650 Member

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    Thank you I mixed the jets up , recleaned the carb and going to put them back on this weekend!!
    Thank you for your help :)
     
    daviexj650, Apr 29, 2011
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  6. cutlass79500

    cutlass79500 Well-Known Member

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    i am not sure if they are talking about the same jet. I do not believe you can mix them up. The pilot is small the main is big. unless your talking about the ones above the the main and pilot
     
    cutlass79500, Apr 29, 2011
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  7. -Azrael-

    -Azrael- Member

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    The air jets are physically the same short of the bore (jet size I.D)
    and they are backwards to the fuel jets in that the smaller air jet is the main, and the larger is the pilot.

    Cheers
    Dave
     
    -Azrael-, Apr 29, 2011
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  8. daviexj650

    daviexj650 Member

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    YeahI def mixed this up
     
    daviexj650, Apr 29, 2011
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  9. -Azrael-

    -Azrael- Member

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    I did too on my first re-assembly... haha
     
    -Azrael-, Apr 29, 2011
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  10. daviexj650

    daviexj650 Member

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    lol I just so happy that everyone can help me out , I think If I didn't figure it out by this weeekend I would have part the bike out ;)

    Thank you for your help
     
    daviexj650, Apr 29, 2011
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  11. -Azrael-

    -Azrael- Member

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    We've all been there (I actually am right now :? ) but the wizards on this site can get you through and back on the windy road.
     
    -Azrael-, Apr 29, 2011
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  12. daviexj650

    daviexj650 Member

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    thats awesome to know :) Im sure I am going to need the help again
     
    daviexj650, Apr 29, 2011
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  13. daviexj650

    daviexj650 Member

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    k so im back with an issue
    Carbs are clean and reinstalled now when I set the idle with the thumb idle screw and it sounds great as soon I give it gas the rpms race sky high then im back to adj the thumb screw and then the idle is way to low :(

    Any ideas
     
    daviexj650, Apr 30, 2011
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  14. daviexj650

    daviexj650 Member

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    I can't figure this one out :(
     
    daviexj650, Apr 30, 2011
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  15. KrS14

    KrS14 Active Member

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    Could be an air leak. Use a propane torch (unlit) and hover around your carbs.. if the rpm's rise, you have a leak.

    Carbs being WAY out of sync will do the exact same thing.
     
    KrS14, Apr 30, 2011
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  16. daviexj650

    daviexj650 Member

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    hummmm good thinking should i take off the air filters?
     
    daviexj650, Apr 30, 2011
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  17. daviexj650

    daviexj650 Member

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    what if i spar the carbs with carb cleaner will it do the same thing
     
    daviexj650, Apr 30, 2011
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  18. daviexj650

    daviexj650 Member

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    sorry i mean spray carb cleaner
     
    daviexj650, May 1, 2011
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  19. seaguy

    seaguy Member

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    Depends on the type. some burn and some don't. spray a puddle and see if it will light with a match/bic. WD40 will burn but gets the engine sticky. I try to use a sprayer with the red pipe on it so I can be more certain where the air leak actually is. If it's around the butterfly shafy seals then it all comes back off to replace them. If it's around the rubbers somewhere then some black rtv will do the job.
     
    seaguy, May 1, 2011
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  20. waldo

    waldo Member

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    Davie have you adjusted the valves yet? Trying to tune out the carbs without the valves being right has caused many people hours of frustration. It might seem intimidating when you read through the manual but is one of the easiest maintenance jobs to do, and takes minimal tools.
     
    waldo, May 1, 2011
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