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Intake box mods xj650

Discussion in 'XJ Modifications' started by Thatguy979, Apr 25, 2016.

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  1. Thatguy979

    Thatguy979 New Member

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    Hey guy, I wanna do a intake box mod with stock set up and a k&n drop in filter.

    My idea was to put a filter on the side of the air box before the filter not after . A filter that sticks out the side, a bit more air flow. Basically drilling a bunch of holes in the side of the box before the filter, will that mess with the carb air/fuel? I aslo plan on doing a jet kit but I'd rather not get my carbs tuned.
     

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    Thatguy979, Apr 25, 2016
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  2. k-moe

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

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    Any changes from the stock setup will make the fuel/air ratio lean out. You won't see any performance gains without making other modifications and spending quite a lot of time messing around. Even then the gains are modest and will typicaly result in flat spots. Just leave it alone and ride the damned thing.
     
    k-moe, Apr 25, 2016
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    racerjase likes this.
  3. Thatguy979

    Thatguy979 New Member

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    What's the fun in that. Plus it'll look different than all the others. But yeah good call I'll just ride it as is for now
     
    Thatguy979, Apr 25, 2016
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  4. k-moe

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

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    At the rate people are modding them, a stock bike will soon be the outlier.
     
    k-moe, Apr 25, 2016
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    jayrodoh and Thatguy979 like this.
  5. Polock

    Polock Well-Known Member

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    the rubber tube thing that goes in the air box lid makes a difference on mine. If you want a different look just put the K&N on and don't drill any holes in the box. I won't tell anyone
     
    Polock, Apr 25, 2016
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    Big swede likes this.

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