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1980 GXS 750 - resto project

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    1980 GXS 750 - resto project

    Well I've finally bitten the bullet and gotten a new (to me) bike after being bike-less for about 8 years

    I'm now the proud owner of a 1980 GSX 750. It's a fixer-upper so it'll be a while until I'm back on the road but it'll be a fun process getting her back up & running.

    Here she is in all her glory:









    The plan is to end up looking something similar to this:



    Plan is to just get it running and source missing parts (front calipers, instrument cluster) then trim the seat and paint the tank & panels.

    I love the look of the bike on the beach but don't think a light as small as that will the registerable here. Will most likely go a round light (or possibly keep factory - will depend on the cluster I get). Also I want the seat to be practical so instread of a full café racer style seat I'll go something similar to this:



    Then ditch the factory taillight (as it's massive) and go some small round flush mount LEDs - mounted in something similar to the below setup:



    Current plan for paint is a dark metallic blue for the guards & side panels then a dark silver with red & blue stripes. I have NOS badges for the tank so want it to look like it could have been a factory Suzuki scheme.
    don't ask to ride my bike and i won't ask if i can shag your missus

    #2
    I have a set of GSX front calipers.
    "Where can we get hold of a Vincent Black Shadow?" "Whats that?" "A fantastic bike," I said. "The new model is something like two thousand cubic inches, developing two hundred brake-horsepower at four thousand revolutions per minute on a magnesium frame with two styrofoam seats and a total curb weight of exactly two hundred pounds."

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      #3
      Also, these look epic with the seat shortened and the stock tail light.
      Click image for larger version

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      "Where can we get hold of a Vincent Black Shadow?" "Whats that?" "A fantastic bike," I said. "The new model is something like two thousand cubic inches, developing two hundred brake-horsepower at four thousand revolutions per minute on a magnesium frame with two styrofoam seats and a total curb weight of exactly two hundred pounds."

      Comment


        #4
        Originally posted by Gammaboy View Post
        I have a set of GSX front calipers.
        Fuck yeah!!! What would you want for them?

        I was thinking if I had to purchase I'd try to see if I can get something more modern to fit but less fucking around sounds so much better....

        That pic below looks awesome too. I like the idea of being able to pillion someone though.
        don't ask to ride my bike and i won't ask if i can shag your missus

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          #5
          Also have a GSX1100 alloy swinger hanging in the shed - will have to check if it's the twisted one.
          If you want to upgrade brake wise, I designed a kit that uses SV650 calipers and VFR800 300mm discs that bolts straight on (well, with brackets).
          Slot a stock front disc onto the rear - exact same size, but 500gm lighter or somthing stupid too.
          Let me dig out what I've got and I'll PM you
          "Where can we get hold of a Vincent Black Shadow?" "Whats that?" "A fantastic bike," I said. "The new model is something like two thousand cubic inches, developing two hundred brake-horsepower at four thousand revolutions per minute on a magnesium frame with two styrofoam seats and a total curb weight of exactly two hundred pounds."

          Comment


            #6
            Originally posted by Gammaboy View Post
            Also have a GSX1100 alloy swinger hanging in the shed - will have to check if it's the twisted one.
            If you want to upgrade brake wise, I designed a kit that uses SV650 calipers and VFR800 300mm discs that bolts straight on (well, with brackets).
            Slot a stock front disc onto the rear - exact same size, but 500gm lighter or somthing stupid too.
            Let me dig out what I've got and I'll PM you
            Legend - cheers mate!!
            don't ask to ride my bike and i won't ask if i can shag your missus

            Comment


              #7
              Well slight hiccup with the brakes in that the calipers didn't fit

              I've sourced the R hand one out of the states, just on the hunt for a L (worst case scenario the L one is somehow still available from Suzuki new as a genuine part).

              Looks like the seat re-trim is out of the question as my seat pan as rusted to buggery (apparently common as on these) so I'll be going a scrambler style bench seat.
              don't ask to ride my bike and i won't ask if i can shag your missus

              Comment


                #8
                Originally posted by dillyboy View Post
                Well slight hiccup with the brakes in that the calipers didn't fit

                I've sourced the R hand one out of the states, just on the hunt for a L (worst case scenario the L one is somehow still available from Suzuki new as a genuine part).

                Looks like the seat re-trim is out of the question as my seat pan as rusted to buggery (apparently common as on these) so I'll be going a scrambler style bench seat.
                Left hand one should be easy to find - same as GN250 according to the parts fische!
                Sorry that those calipers didn't fit - who'd have thought there was a single year GSX750 with unique calipers!
                "Where can we get hold of a Vincent Black Shadow?" "Whats that?" "A fantastic bike," I said. "The new model is something like two thousand cubic inches, developing two hundred brake-horsepower at four thousand revolutions per minute on a magnesium frame with two styrofoam seats and a total curb weight of exactly two hundred pounds."

                Comment


                  #9
                  LH caliper sourced & on its way from NZ!
                  don't ask to ride my bike and i won't ask if i can shag your missus

                  Comment


                    #10
                    I pulled apart the seat today to see if it was salvageable & with a re-trim & re-shape.


                    I'd say the pan is pretty much cactus:









                    Love the random plywood repair...…



                    So definitely an eBay seat job now. Am thinking a cheapy to test fit then re-cover that if need be. Something like this:

                    https://www.ebay.com.au/itm/Universa...0762ad01a547f2
                    don't ask to ride my bike and i won't ask if i can shag your missus

                    Comment


                      #11
                      Wow that seat base really is past its used by date.

                      Comment


                        #12
                        Looks like I lost a few posts in the forum shenanigans....

                        I now have two front calipers & the HEL lines should arrive Monday!! I've bought a heap of new cam cover bolts (most were missing) and gave to get new tacho input assembly (all still available from Suzuki).

                        eBay spec seat arrived yesterday - just sitting in place I think I like it but am concerned it may look too small once everything is trimmed off:







                        Also new headlight arrived - I went a 6.5"





                        Looks big in the photo but its about a foot closer to the camera than the stock light
                        don't ask to ride my bike and i won't ask if i can shag your missus

                        Comment


                          #13
                          Was bored this arvo so started pulling off bits.

                          Light, rear plastics & indicators all gone:



                          Was considering Gammaboys look in the pic above:



                          (I've a 53cm seat which I think may be too short - will also get a 63cm one then decide where to cut once I have both....)

                          My HEL lines arrived so I now have front brakes!!!!



                          don't ask to ride my bike and i won't ask if i can shag your missus

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                            #14
                            Finally pulled my finger out and spent some time this arvo checking if the engine will turn over and everything move as it should but hit a pretty major hurdle straight away

                            Took the cam cover off & noticed that each of the camshafts aren't bolted down at one end :o I'd say someone has used this as a parts bike at some stage!!!!!





                            The little semicircle bracket without a part no. between 5&6 is what I need...... (as well as 2 each of 5 & 6 I guess)



                            I called Mick Hone in Melbourne & they said these won't be a separate part & will be part of the head itself *FUCK*

                            So I either need a spare head or see if I can get someone to machine me something up.........
                            Last edited by dillyboy; 02-12-19, 04:18 PM.
                            don't ask to ride my bike and i won't ask if i can shag your missus

                            Comment


                              #15
                              Cam lobes look rusty?.

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