1981 GS750E Front Brake Line Routing

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  • Smurf
    • Feb 2026

    #1

    1981 GS750E Front Brake Line Routing

    Guys,

    What is the correct routing for the front brake lines on my 81 GS750E?

    I have rebuilt my master cylinder and calipers and I have brand new stainless steel brake lines, banjo bolts and crush washers. But how do they bolt together at the brake hose joint?

    There is a longer banjo bolt that (I think) threads into the brake hose joint on the left side, and accommodates the upper and lower-left brake line ends. There is a shorter banjo bolt that threads into the brake hose joint on the right side that accommodates the lower-right brake line end.

    There are two little forks cast into the brake hose joint. I assume these are meant to keep the brake line ends from moving when you tighten them down. The fork on the right makes sense since it is located on the bottom of the brake hose joint and orients the brake line to hang down toward the caliper. But the fork on the left is located on the back side of the brake hose joint. Does that mean the right order is bolt, lower line, upper line, brake hose joint?

    If not, then in which order DO they go together? I hope this makes sense. My camera is broken and my Chiltons manual doesn't have a single picture.

    Thanks in advance!
  • Guest

    #2
    I'm trying to picture this in my head and all I'm getting is a huh. Really need some pics to see what you are doing. Borrow a digital camera or buy a cheap one. My GS750E brake hoses are pretty straight forward. Got the feed hose from the master to the T from the T on either side to the calipers.

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    • GateKeeper

      #3
      does this help ????

      found here - http://www.boulevardsuzuki.com/fiche...1980&fveh=2136



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      • Smurf

        #4
        Close but no cigar guys. Guess I need to find a camera. Thanks!

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        • Guest

          #5
          What you see from Gate Keeper's post, couldn't be any more straight forward. Or did someone do some creative plumbing on the bike at one time?

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          • Smurf

            #6
            My lower lines definitely did not both bolt into the right side. Maybe somebody did perform some do-it-yourself plumbing. I guess that's what you get with a $350 bike sometimes...

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            • Smurf

              #7
              Hey guys,

              I just stumbled across the solution. It was on page 186 of the official Suzuki GS750 Service Manual, which I found on BikeCliff's website (http://www.mtsac.edu/~cliff/storage/...50_16valve.pdf).

              These pics clearly show how the lines are attached.

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              • GateKeeper

                #8
                same as what my 83 GS750E is like







                does this mean the parts fiche is wrong, or perhpas just a different way of routing.....


                .

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                • Smurf

                  #9
                  That's it! Thanks!

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