rpm

  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. danalpatt

    1984 Yamaha Maxim 400 wont go above 4500 rpm

    so i picked up a 1984 yamaha maxim 400 and it leaked allot of oil and would rev to about 8000 then pop and sputter a bit so here is what i did i took the hole top end of the motor off took pistons out cleaned them and put it back togather allso to note i took one piston out at a time. put it...
  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. U

    Revs at stops

    I've been riding my bike to work the past few days. It starts great (enriched out all the way at first then clicked in after a few moments. And it runs fine. Then about the third stop light I get to (3 miles?) it starts hanging at about 3k at stops. If I turn out the idle speed screw it drops...
  6. Jso123

    bike stutters a bit at 8-9000RPM

    I'm still kinda of a newbie and haven't really pushed the bike too hard yet. Learned that going fast is fun... As I gain some more confidence, even considering taking it on a limited access highway.... However,just noticed the motor stutters at 8-9000 RPM. Don't know if this is related to new...
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