carb poping

Discussion in 'Sportster Models' started by hypoman62, Jun 9, 2010.

  1. hypoman62

    hypoman62 New Member

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    03 sportster 1200c carb pops taking of at low rpm, rejetted the carb it still poped now changed to s&s carb and it pops worst than before what can it be
     
  2. HDDon

    HDDon Experienced Member Contributor Retired Moderators

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    What type of exhaust are you running? Once you are under way does the popping stop? Have you always had the problem or did it start after you added something to the bike? Have you checked the timing?
     
  3. Jack Klarich

    Jack Klarich Expert Member

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    Intake leak or ignition?
     
  4. hypoman62

    hypoman62 New Member

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    i have staight pipes did it since i got it

    no intake leak

    the poping stops after im on my way

    thanks
     
    Last edited by a moderator: Jun 9, 2010
  5. Jack Klarich

    Jack Klarich Expert Member

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    Is it popping in the exhaust, may need some baffles for some back pressure :s
     
  6. hypoman62

    hypoman62 New Member

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    no poping in carb
     
  7. Jack Klarich

    Jack Klarich Expert Member

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    Sounds lean try adjusting it or rejet for more fuel
     
  8. glider

    glider Veteran Member

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  9. hypoman62

    hypoman62 New Member

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    it pops in carb then wants to stall but doesnt

    thanks cool ill check that guide

    thanks for all the info:D
     
    Last edited by a moderator: Jun 9, 2010