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Jetting

Discussion in 'Fuel / Air' started by Svahna, Jul 8, 2017.

  1. Svahna

    Svahna Member

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  2. BWG56

    BWG56 Guru

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    Try reading this, maybe it will help
     

    Attached Files:

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  3. Hirter6Pack

    Hirter6Pack Not Quite A Guru
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    Let me help ya out a little bit too.
    IMG_1815.PNG
     
  4. BWG56

    BWG56 Guru

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    With pipes that short, sometimes its a right off between performance or looks
     
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  5. cdogg556

    cdogg556 Guru

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    Look at your plugs and if it's lean then bump up both till it gets better, if it gets better I mean!
     
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  6. Th3InfamousI

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    You'll be hard pressed to have zero decel pop if you don't run any baffles.



    Sent from my 2PS64 using Tapatalk
     
  7. Svahna

    Svahna Member

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    I dont care about numbers and i dont mind some popin but like it is not it alot and at every ge ar Change
     
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  8. bigkelk9

    bigkelk9 Well-Known Member
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    Mine pops on every gear change and decel.. I love the way it sounds and a lot of other people do too.. but that's just my opinion.. but as far as the plugs go, looks about normal.. I run without baffles. But I averaged about 48 mpg on our last trip to KS, and average about 42 -43 in my normal city driving.
     
    #8 bigkelk9, Jul 8, 2017
    Last edited: Jul 8, 2017
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  9. Spikes05

    Spikes05 Member

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    As far as your jetting goes follow the s&s guide lines. If you can keep it steady at 50 mph in 3rd gear with no stumbling and then roll on the throttle and you get good excelleration and if your bike will cruse at 55 mph at 2500-3000 rpm and there's no hesitation then the jetting is good as you can get it without putting it on a Dino. As for the deceleration popping have you looked at DK Customs Thunder torque inserts. They help my pipes with the popping. They act like a baffle without hurting your hp and give you more torque.


    Sent from my iPhone using Tapatalk
     
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  10. Spikes05

    Spikes05 Member

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    What pipes do you have installed on your bike? If you have V&H Big Radius then you will benefit from installing big city thunder baffles. They did the trick for my chopper.


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  11. BWG56

    BWG56 Guru

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    [​IMG]
     
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  12. Matheny 514

    Matheny 514 Active Member
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    I can't say that I've ever seen this exhaust for a Big Dog. But I agree with Eric, without baffles in those shorties, you will have some decel pop. The S&S guide is a very good reference to go with and you'll have the benifit of learning about your carb and adjustments that can add a little more fine tune. Good luck :old2:
     
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  13. Svahna

    Svahna Member

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    Maybe il get to live with it lol
     
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