1982 GS750T front brake surging

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  • DGS
    • Dec 2025

    #1

    1982 GS750T front brake surging

    I just bought the bike. Its very clean for an 82 with 23k miles on it. Replaced the stator,reg/rec.and the generator cover. Its charging now. Took it for a test ride and the front brake surges with an even presser on the lever. I looked over the front rotor it doesnt look bent but I didnt measure it for wobble. Can the front brake surge due to clogged brake lines and brake caliber? I gotta order some new pads.
  • dorkburger
    Forum LongTimer
    Past Site Supporter
    • Jan 2013
    • 10768
    • Stupid Freehold Boro NJ

    #2
    I would think not. My rotor (or both) got bent when my bike was improperly towed. It caused a pulsing at the lever like you described, most noticeable at low speeds. They didn't look bent either.
    Regardless, it's still a good idea to fully go thru the brake system
    Last edited by dorkburger; 03-08-2017, 08:20 PM.
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    Glen
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    • GSXR7ED
      Forum LongTimer
      Past Site Supporter
      • Dec 2012
      • 10129
      • DE via L.A.

      #3
      I would rebuild the master cylinder. Check the fluids and you might see the reason for this condition.


      Ed
      GS750TZ V&H/4-1, Progressive Shocks, Rebuilt MC/braided line, Tarozzi Stabilizer[Seq#2312]
      GS750TZ Parts Bike [Seq#6036]
      GSX-R750Y (Sold)

      my opinion shouldn't be taken as gospel or in any way that would lead you to believe otherwise (30Sep2021)

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      • Guest

        #4
        Usually caused by a warped disk, doesn't take much, sometimes the pads won't wear evenly. Though sense your brake system is fairly simple, go through the whole thing.

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