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77 GS 750 Build

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    #31
    So I took the front caliper apart last night to see what kind of shape it was in and found that I had some pitting on the piston. Seems like the pistons for the 77 are harder to find though I was able to locate them on Bike Bandit, but they are over $50. Was wondering if anyone here might have a source for the pistion which might be a bit cheaper or possible a used one in good condition?

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      #32
      The bike is finally on the ground again! Given I still have a ways to go, but now I can see it in the proper stance so I can begin to do the fiberglass work on the rear end.


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        #33
        Welp I finished up with my motorcycle safety classes today and passed with flying colors. Can't wait to get into the dmv and get my M endorsement!

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          #34
          Well I got the battery box made, nothing too fancy just a new box which is not rusty. I'm quite excited since I got the electrical finished up tonight and the bike fired right up! The video is of the start up.

          http://www.youtube.com/watch?v=gfGdoPynzA4

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            #35
            and the bike fired right up!
            Man you were kidding... heh, heh... fire's COOL!
            CONGRATS!

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              #36
              Thanks man, ya know I actually grew up in Indiana. Ever heard of Rensselaer?

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                #37
                Oh yeah.....
                I am a ways from there, @ about 30 miles north of Ft Wayne

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                  #38
                  Had a lot of yard work to do this weekend, but did manage to spend a little time with the bike. I went through and applied threadlock and torqued the bolts,then finished up spraying the exhaust in vht high heat black with the satin clear coat and buffed out a few treatments of simonize on the kerker can. I also started fabbing up the brake light using an old brass door plate I purchased and some brass pipe. I then proceeded to do a few laps around my freshly mowed yard since I don't have a plate for her yet.

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                    #39
                    So the bike and I got some personal time out on the road today. Overall she's rather well behaved for a 77. I decided to go a different route with the seat and spent friday night and most of saturday beating out a seat pan then foam and wrapping with black vinyl since I was all out of the dark brown vinyl and can't find it anywhere. I managed to mount the stock brake light just under the seat and it turned out looking pretty good. Now I just have to make the fiberglass cap for the seat and eventually will recover the it in a brown vinyl once I can locate the right color. Once that is done I'm going to do a matte clear coat on the tank rear cap and headlight to protect them a bit better.





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                      #40
                      So I found some more brown cordova vinyl today so I can get back on the seat. Beyond that I've taken on making a manometer and everything has gone well so far except I could not find vacuum couplers which I could screw into the motor to replace the allen screws currently. What I ended up doing was buying some 3/16 standard couplers and then an m5 die and made my own threads. They ended up turning out great and I now I don't have to wait a week for them to come in. Total cost for the die and all 4 couplers was under 8 bones.



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                        #41
                        Did you just cut through the barbs with the die? File them down before hand? Or are you one of those lucky guys with a lathe?

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                          #42
                          The die went right through the barbs, as long as you got the couplers clamped on a vice the hardest thing was keeping the die straight.

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                            #43
                            So my GF came into the garage tonight to get the dogs food and went to enter back into the house and found the door locked. Her puppy a boxer/shepherd mix who is quite the jumper some how made it up to the dead bolt and locked us out of the house. I'm going to have to see if I can pry it out...

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                              #44
                              Your bike is looking great the engine and carbs are awesome. Did you re-jet the carbs? Is so how hard was it? Is it running well afterward? Any advice I am thinking about doing it to my 1978GS1000.

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                                #45
                                Thanks man, the bike does run pretty decent, but I'm still trying to get her perfect. I get a faster rev out of the engine and better idle after syncing the carbs today, but I haven't put the tank back on and ridden it yet. Changing out jets is an easy procedure, I would post something on the carb portion of the forum and I'm sure someone who has the same bike can give you a jet size recommendation. Also make sure you get the carb manual it can be found here http://members.dslextreme.com/users/bikecliff/

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