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    Then it was time to get the bike back on the road.

    It seems that this moderate 4" increase in the wheelbase was a good choice. There is still enough traction to lift the front wheel but wheelies are now much easier to control. And in addition now it's quite easy to spin the rear tire if I like so

    One of the goals for last winter was to get the front brakes in perfect condition but that was a bit more challenging than I imagined. The brakes that came with the front end have never worked perfectly for me. They were always a bit soft and apparently the system got air in it from somewhere so they kept feeling soft no matter how much I bled them. So I thought get them sorted at once now.

    I disassembled the calipers and the master cylinder, carefully cleaned and checked everything and put them back together with new seals. But for my disappointment the result was even worse than before. I spent numerous hours first by trying to bleed the system and then trying to identify the faulty component. I tried different combinations of calipers, brake hoses and so on. Finally I was sure that the master cylinder was the culprit. Since I was totally fed up to play with old parts at that point I bite a bullet and bought a brand new Braking radial master cylinder (ouch$).

    With high hopes I installed the new master cylinder, bled the system again and finally realized that the result was pretty much the same than before. Now I had got enough for brakes so I forgot them for few months and returned to the topic when everything else on the bike was ready.

    On that new try I disassembled the calipers once more, checked everything twice but didn't find anything. Put everything back together and for some reason the result was now slightly better. Not even close to perfect but good enough for use.

    So the brakes were still needing improvement. I spotted six pot calipers from a Busa on sale for reasonable price and bought them. Since they were in nice condition I just cleaned them outside and bolted them on the bike. It was still quite tedious job to get them bled properly but finally the result was good. So it was a long and hard road but now the brakes are finally on the same level with the rest of the bike.




    And a pic of the "finished" bike though there isn't much visible changes from last year.
    Arttu
    GS1100E EFI turbo
    Project thread

    Comment


      Arttu, Thanks for posting all of your build details, very enjoyable following your progress. If there is a more powerfull, great looking GS out there, I haven't seen it. Congrats on completion. Ray
      "Nobody goes there anymore, it's too crowded" -Yogi Berra
      GS Valve Shim Club http://www.thegsresources.com/_forum...d.php?t=122394
      1978 GS1000EC Back home with DJ
      1979 GS1000SN The new hope
      1986 VFR700F2 Recycled

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        This is an incredible bike

        Comment


          Would love to see and hear your beauty in a clip, Arttu.
          Not often you see a luggage rack on a hot rod.
          2@ \'78 GS1000

          Comment


            Thanks for all kind compliments!

            Steve, there is an onboard video from race track a couple of pages backwards.

            Well, the luggage rack doesn't exactly make the bike more beautiful. But this is my daily ride during riding seasons and I need to carry some stuff with me every now and then. So some compromise between form and functionality is necessary.
            Arttu
            GS1100E EFI turbo
            Project thread

            Comment


              Hi Arttu

              I am new to this site and just read all 20 or pages of this build thread. WOW! Good on you, great build!

              I drag race a 2008 Kawasaki ZX 14, at our local altitude of roughly 3,200 feet above sea level. Stock with only 600 kms on it the bike showed 159 horsepower at the rear wheel, and 99 foot pounds of torque, on a DynoJet 250I. With a little tweaking and still naturally aspirated, but without ram air while it is on the dyno, the bike shows 203 horsepower at the rear wheel and about 110 pound feet of torque.

              I cannot imagine riding a boosted 300 horsepower bike on the street as a regular rider, I get into enough trouble with only 200 hp. Fabulous.

              For GS content, I joined up here as I am presently rebuilding an 81 GS 750 that hasn't run since 1989 when it seized and broke a valve rocker arm, bent the rocker arm shaft, and broke the cam chain.

              Paul

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