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Re jet

Discussion in 'Motorcycle Tech Talk' started by more power, Aug 14, 2011.

  1. more power

    more power New Member

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    I was reading something here and it got me to thinken so here we go. A while back my re jeted my S&S super E (S&S 124") because I was running a little fat. I replaced the intermediate jet 32 with a 31 no more unused gas smell ect... Check the plugs nice and golden brown. runs nice and crisp... OH yea... but on sometimes it pops a little when I let off the throttle like it's running to lean so I turn out my mixture screw and it's still there anybody got any ideas? Vacuum? Thanks
    more power, Aug 14, 2011
    #1
  3. chucktx

    chucktx Moderator Staff Member

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    if the plugs are nice....probably not lean......i look at the exhaust clamps....suckin some air into the exhaust will cause a pop on deceleration............
    chucktx, Aug 15, 2011
    #2
  4. Fatboy128

    Fatboy128 Well-Known Member

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    I don't think "sometimes" popping is telling you something is amiss. Many race cars and bikes pop A LITTLE on deceleration. Problem is, what is a little and what is too much?
    Fatboy128, Aug 15, 2011
    #3
  5. hotroadking

    hotroadking Super Moderator Staff Member

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    Super E is small for a 124, I ran a G on mine....

    Check for leaks in the exhaust, and if that doesn't fix
    it, might be you have to adjust fuel with the mix
    screw so when the carb closes down it is giving the
    engine the proper amount of fuel
    hotroadking, Aug 15, 2011
    #4
  6. more power

    more power New Member

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    Thanks all. I have adjusted my mixture screw like this. turn it in till it almost dies (stumbles) then out a half a turn.
    more power, Aug 15, 2011
    #5
  7. more power

    more power New Member

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    Ya know.. I've been thinkin,, (I hate it i do that it always gets me into truoble) and it has been louder than normal.
    Thanks
    more power, Aug 15, 2011
    #6
  8. more power

    more power New Member

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    Oops... super G. I've got to watch what i'm typing here way more closely. Thanks
    more power, Aug 15, 2011
    #7
  9. hotroadking

    hotroadking Super Moderator Staff Member

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    Lightly seat screw
    Back out about 2 turns
    Now
    Warm up bike
    Set idle to 1500-1800
    Then adjust screw turn out until
    Idle starts to change then turn in
    Counting turns until idle drops or stumbles

    Turn back out half the turns
    And it's set


    ---
    - Sent from my iPhone using Tapatalk
    hotroadking, Aug 15, 2011
    #8
  10. more power

    more power New Member

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    A new way to set my carb. I take it I'm supposed to turn my carb back down to around 900 RPM's when I'm done. Thanks
    more power, Aug 17, 2011
    #9

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