Idle,yes! Accelerate no?

Discussion in 'Softail Models' started by Charlene, Jun 30, 2009.

  1. Charlene

    Charlene New Member

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    I have a 91' Heritage. The bike will idle, but when I try to accelerate I lose power and it starts to backfire and pop thru the carb. When I let off the gas it idles fine. I have noticed when this happens I lose some power to the system. I have cleaned the carb. Relaced the voltage regulator, ignition module and starter relay. Sometimes I will lose all power and it will not come back on for about 1 minute but then starts ok. Help!
     
  2. STEVE07

    STEVE07 Well-Known Member Staff Member Super Moderators

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    Have you tried the simple things,like cleaning both ends of the battery cables?
    You could be having intermittent contact.
     
  3. glider

    glider Veteran Member

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    Main breaker could be weak or the popping on accel could be a bad diaphragm in the top of the carb.
     
  4. Charlene

    Charlene New Member

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    The main breaker was replaced 2 weeks ago. The battery was replaced 2 months ago and the terminals were cleaned. When I took apart the carb I cleaned the diaphram and looked for any holes or wear but did not see any. The thing that gets me is the loss of some system power? I will check the grounds again tomorrow, but it only happens when I accelerate.
     
  5. glider

    glider Veteran Member

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  6. sellisssn

    sellisssn Member

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    I had an issue with steel braided spark plug wires that did the same thing. Check the wires.....