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Hesitation

Discussion in 'Motorcycle Tech Talk' started by Old Fart on 87FLH, Jun 9, 2006.

  1. Old Fart on 87FLH

    Old Fart on 87FLH New Member

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    Lately, I've noticed a slight hesitation from dead stop,but after I get her up to 1200 rpm's or so, runs fine,no missing. I ride '87 FLHTC with S&S Super E carb. My riding buddy says he thinks it's the accelerator pump, might need a rebuild,or just a diaphram replacement...Sound logical?
    Old Fart on 87FLH, Jun 9, 2006
    #1
  3. chucktx

    chucktx Moderator Staff Member

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    that sounds logical. also check that when you open the throttle the spray goes directly into the center of the bore, and not off to one side. another place to check is timing, and if running points, there setting. hope this helps a bit, have fun
    chuck
    chucktx, Jun 9, 2006
    #2
  4. Old Fart on 87FLH

    Old Fart on 87FLH New Member

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    Thanks,Chuck...I pulled the cover,watched as I opened the throttle,and at first a small amt of gas sprayed,then none, but as I opened it more it seemed to flood a lot of gas down the throat. Seems inconsistant, maybe thats why it hesitates,then takes off fast.:confused: maybe I'll try replacing the diaphragm first,should be a cheap fix..
    Old Fart on 87FLH, Jun 9, 2006
    #3
  5. chucktx

    chucktx Moderator Staff Member

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    i think you found it.......the spray should be constant......good going!!
    chuck
    chucktx, Jun 10, 2006
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