GS550E TSCC Head Removal

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  • Guest
    #1

    GS550E TSCC Head Removal

    Hey friends,

    Do you absolutely have to pull the camshafts out of the 550E's TSCC head to remove the head itself or can they be left in place? I'm trying to get this head off and I've removed the rocker cover, oil lines, the 12 acorn bolts inside the head, the entire exhaust, and everything else save for the cams but the head refuses to separate from the cylinder block. I tapped it loose with a nylon deadblow hammer, but all it's done is knocked the cylinders loose from the bottom end, so that now when I pull on the head the entire assembly wants to come up. This is, uh, less than ideal.
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    • Rich82GS750TZ
      Forum Guru
      Past Site Supporter
      Super Site Supporter
      • Jun 2018
      • 5575
      • Mifflinburg, PA / Land of Tar & Chip
      #2
      Well, there's the whole issue of the pesky cam chain in the way, keeping the head literally chained to the crank shaft.
      Links​

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        • Guest
          #3
          Originally posted by Rich82GS750TZ
          Well, there's the whole issue of the pesky cam chain in the way, keeping the head literally chained to the crank shaft.
          The cam chain isn't my problem. I broke it to remove the head. This engine is hashed anyway, I'm just taking it apart to see what happened.

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            • Nessism
              Forum LongTimer
              GSResource Superstar
              Past Site Supporter
              Super Site Supporter
              • Mar 2006
              • 35790
              • Torrance, CA
              #4
              If the cam change is broke then there is no reason you can't pull the head with the cams in place. Realize that there is a short bolt that connects the cylinder to the head in the front center.
              Ed

              To measure is to know.

              Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

              Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

              Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

              KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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                • Guest
                  #5
                  Originally posted by Nessism
                  If the cam change is broke then there is no reason you can't pull the head with the cams in place. Realize that there is a short bolt that connects the cylinder to the head in the front center.
                  That must be my problem. I completely missed that bolt and didn't see it in the shop manual diagram. Thanks.

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                    • Grimly
                      Forum Guru
                      Past Site Supporter
                      Super Site Supporter
                      • Sep 2012
                      • 5764
                      • Ireland
                      #6
                      Originally posted by BSAKat
                      That must be my problem. I completely missed that bolt and didn't see it in the shop manual diagram. Thanks.
                      No sledgehammers needed for this one.
                      Dave
                      '79 GS850GN '80 GS850GT
                      Only a dog knows why a motorcyclist sticks his head out of a car window

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                        • Cipher
                          Forum Sage
                          • Mar 2016
                          • 3129
                          • Toronto Ontario
                          #7
                          Originally posted by Grimly
                          No sledgehammers needed for this one.
                          Yeah i dismantled mine and it came apart very easily.
                          I removed all the fasteners though. That one out front is a clever bugger.

                          OP what did you find inside some pics please.

                          Burnt valves? How were the cylinder bores. Mine still had zero scoring and unworn cross hatch markings.
                          Surprising since two valves had lost an edge. No apparent impact damage from this though.
                          1983 GS 550 LD
                          2009 BMW K1300s

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                            • zuluwiz
                              Forum Mentor
                              • May 2017
                              • 308
                              • the Buckeye State
                              #8
                              No sledgehammers? But.....but.....that's the FUN part!
                              Expecting the Spanish Inquisition
                              1981 GS850G: the Ratzuki
                              1981 GS1100E

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