surging

  1. M

    Idles poorly, surges and dies after 40 minutes of riding

    Hello, I have an issue that I cannot find a solution to. My 1980 Special starts first kick, has a steady idle and rides fine for ~40 minutes. During the first 25 minutes the idle rises about 2k, which I adjust for with the idle screw while i'm at a stop light. Consistently, around the 40 minute...
  2. M

    Possible TCI issue?

    I have a 1981 Special, i had it running for a couple of weeks this summer with no issues, and all of a sudden while riding home from work the bike started surging and cutting in and out, with a weird sounding engine note. I tried giving it gas to keep it alive but it eventually died completely...
  3. M

    Surging at low RPM's

    Hey forum'ers, I recently bought a non-running 1980 XS650 and have been bringing it back to life. First of all I want to say that this place has been extremely helpful for getting informed on all aspects of the bike, and most problems I've encountered there is usually a thread with great advice...
  4. zoomoto

    Bs38 mystery hanging idle with 35 pilot

    hey guys. Thanks for all the help previously. Well...as it goes. You fix one problem only to discover more. Here’s my current set up. •Pamco with e-advance •PMA/Capacitor •uni pods •pandemonium ya mommas (planing on modifying them for mufflers) •78-79 bs38s with matching internals •jbm...
  5. B

    left cylinder backfiring cant figure it out

    I havea 1980 xs650 special and no matter what i throw at it i can't seem to solve this. After warm up the left cylinder behinds backfiring and surging getting worse and worse until it's essentially running on 1 cylinder. Leave it overnight and it's back to normal until it warms up and starts...
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