rpms

  1. E

    Crazy High RPM after revving the engine

    So pretty much my bike is running fine until i rev the engine, after that the rpm's seem to go crazy high and wont go back down unless I am to pull on the choke all the way, someone want to enlighten me as to what may be happening? I have a 80' XS400G if it helps Thanks,
    • Ethan
    • Thread
    • engine help me identify high rpm rev rpm rpms
    • Replies: 5
    • Forum: The Garage
  2. J

    Bike jerking wildly

    Symptoms: bike stalls at low speeds takes forever to start after stalling once accelerating, bike thrashes wildly, jumping between 0-6000 rpms, jerking like crazy (scary) even at steady throttle, bike will start thrashing Background: This is a 1977 XS400 with about 12,000 miles on it. I've...
  3. Monowakari

    Idle Hesitation/Bog - '78 xs400

    Tore my carbs apart and cleaned them thoroughly with carb cleaner. Set the timing to be fairly accurate and point gap is perfect. Valve clearances all within spec on the tighter side (quite quiet now, might have read my old posts on the valve train noise, has all but gone away now with valves in...
    • Monowakari
    • Thread
    • adjustment adjustments bog bogs carbs carburetor down float height gurgle hesitation ignition pods rev revving rpm rpms throttle throttling timing xs400
    • Replies: 8
    • Forum: The Garage
  4. Monowakari

    Battery Help

    [deleted]
    • Monowakari
    • Thread
    • battery charge choke die drain idle idling ignition kickstart killswitch rev revving rpm rpms throttle throttling trickle trickle charge xs400
    • Replies: 0
    • Forum: The Garage
  5. robbiecampbellsoup

    Poor Power <2500RPM Adjusting Carburetors and Valves?

    Hi everyone, I've recently gotten into the world of owning a bike (in general, this is my first bike) and owning an XS400. A 1983 Maxim to be specific. She's a lovely color - note the bluing on the Mac 2-in-1 exhaust the PO put on - this means it's running lean? So far this is what I've...
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