88 softtail cuts out

  • September 4, 2011 12:16 AM PDT
    I HAVE A 88 SOFTTAIL CUSTOM AND I HAVE REPLACED THE BATTERY, COMPLETE IGNITION SYSTEM(COIL, ROTOR,SENSOR, AND  IGNITION SWITCH)  and after riding for a few miniutes the bike cuts out. then it will start again run for a few seconds and cut out again. does anybody have any suggestions? 
  • September 4, 2011 12:19 AM PDT
    I forgot to mention, it is a1988 with 80 cubic inch engine.
    • 5420 posts
    September 4, 2011 2:14 AM PDT
    Kevin,

    When it cuts out does it stop like someone shut off the ignition, or does it sputter to a stop?

    If you rev it a bit bringing the RPMs up to around 3 or 4k will it run for a longer or shorter time?
  • September 6, 2011 6:16 PM PDT
    look for a collapsed or plugged vacuum line.