hanging rev

  1. D

    Hanging rpms with terrible idles

    been on the hunt for what i assume is a vaccum leak; rebuilt the carbs and still had the issue of the bike idles then you hear a very quick drop like its goinna die but super quick and keeps idling. THEN if i get random rpm spikes and some crazy rpm hanging which if i do a blip on the throttle...
  2. avemachina

    Diagnostic help: can't figure out what my spark plugs are telling me.

    Evening y'all! 1981 XS400 SH giving me trouble again. I'll start with what's on my bike before I explain the symptoms: Left-hand side, right-hand side. Spark plugs removed. - UNI PK-92 pod filters direct to the carburetors, due to a massive tear in the H-hose (I know, I know, kinda set...
    • avemachina
    • Thread
    • carburetors hanging rev pod filter spark plugs
    • Replies: 30
    • Forum: The Garage
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