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82' 750 Maxim Rejetted?

Discussion in 'XJ Modifications' started by Mike66, Jun 4, 2015.

  1. Mike66

    Mike66 New Member

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    I have removed the original air box and have added 4 individual air filters/(pods). What is necessary for optimal performance in regards to the Carbs?? Do I need to rejet, if so I need help moving forward. I'm more of a fabricator than a mechanic.
     
    Mike66, Jun 4, 2015
    #1
  2. k-moe

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

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    For optimum performance put the airbox back on.
     
    k-moe, Jun 4, 2015
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    Josh phillips and Beekman like this.
  3. Mike66

    Mike66 New Member

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    That's what I figured. I already modified the frame by lowering the seat and took up that space.
     
    Mike66, Jun 5, 2015
    #3
  4. k-moe

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

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    OK then . Start by using the airbox boots between the carbs and the pods. They are velocity stacks and will help performance. After that you will probably still be lean. Do yo still have the stock exhaust?
     
    k-moe, Jun 5, 2015
    #4
  5. Josh phillips

    Josh phillips Member

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    I couldn't fit the boots and the pods. Will that make a major issue?
     
    Josh phillips, Jun 5, 2015
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  6. Polock

    Polock Well-Known Member

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    can you push the boots up in the pods to make the whole assembly shorter? the carbs like the air flow that the boots make.
     
    Polock, Jun 5, 2015
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  7. Mike66

    Mike66 New Member

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    To K-Moe, I have the original exhaust from the head to the manifold. I plan to modify it some how or purchase the 4 into one exhaust for it.
     
    Mike66, Jun 9, 2015
    #7
  8. MarkV

    MarkV Member

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    WP_20150612_12_01_47_Pro.jpg
     
    MarkV, Jun 12, 2015
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  9. k-moe

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

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    OK that will help some with the jetting. Fitting the airbox boots hlps even more; good to see that you can.
    I'd start out on stock jets with that configuration and see where you are before changing jets.
     
    k-moe, Jun 12, 2015
    #9
  10. MarkV

    MarkV Member

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    It's a struggle, but they go.
     
    MarkV, Jun 12, 2015
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  11. MarkV

    MarkV Member

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    Only jets I changed were the mains. Brought them up to. 126.
     
    MarkV, Jun 12, 2015
    #11

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