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Thread: Occasional herky-jerky rear brake - 2000 R1100RT

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  1. #1
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    Occasional herky-jerky rear brake - 2000 R1100RT

    Occasionally, when I'm using the rear brake only, and harder than usual, I'll get a kind of herky-jerky action happening. Don't know how else to describe it. It's very brief. When it's happened, I've backed off the brake, and probably engaged the front brake some instead. It hasn't happened often enough for me to have a patterned response.

    This is the only bike I've ridden with ABS. So is this just what the ABS feels like when it engages? When I've engaged ABS in cars, the pulsation is much more rapid and regular. This feels more uneven - but maybe that's the nature of ABS on a two-wheeled vehicle, or the relatively older ABS this bike has. Or is there some brake condition that can cause this?
    2000 R1100RT / 1987 K75C (RIP) / Santa Clarita, CA

  2. #2
    Benchwrenching PGlaves's Avatar
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    I suspect you are over-using the rear brake - activating the ABS - and feeling the result.
    Paul Glaves - "Big Bend", Texas U.S.A
    "The greatest challenge to any thinker is stating the problem in a way that will allow a solution." - Bertrand Russell
    http://www.bigbend.net/users/glaves

  3. #3
    Happily Bent dieselyoda's Avatar
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    ABS is awesome, used it today, cleaned my underwear afterwards.

    I haven't experienced a "Herky-Jerky" from my ABS but sure did on a Kawasaki Concourse with ABS. Heated the rear brake up with a good ride, rotor warped almost 0.012".
    1997 R1100RT (Restored Basket Case) , 1981 KZ 440 LTD (Restored Basket Case)
    1986 K75S(the beutch), 1993 K1100RS (blown engine), 1997 Chev Short Box (4x4 with an LT1)
    "You can easily judge the character of a man by how he treats those who can do nothing for him."

  4. #4
    Registered User Jim Rogers's Avatar
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    +1 on what Paul said.
    Gear Up and Ride Safe
    Jim Rogers
    2010 R12GSA aka Heidi
    Yorktown, Va

  5. #5
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    Thanks, guys. My first thought was the ABS; it's just a very different sensation than I would have expected.
    2000 R1100RT / 1987 K75C (RIP) / Santa Clarita, CA

  6. #6
    MOA #24991 Pauls1150's Avatar
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    It would still be worthwhile to inspect the pads' condition (especially the inner one that's harder to see from the rear: it wears faster), and also check the runout (warping) of the rotor.

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