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Suzuki GS 6/550 Yes, 672 block and pistons on a 550 cases..

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    #61
    Originally posted by TyFerris View Post
    frustration, time, frustration... and im not saying buy a whole bike im going with if you are already buying the head block and pistons why not just buy the whole motor and throw it in a 550 frame? so just to make sure there isnt something the 550 bottom end has that the 650 bottom end doesnt?
    I can have a freshly rebuilt top end for around $300.
    A motor, which has to be sourced local, is at least that.
    I do not believe there is anything special about the 550 bottom end if that is what you are asking.

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      #62
      It has 6 gears!

      Daniel

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        #63
        Originally posted by TyFerris View Post
        so i would like to know why you are doing this. is there something special about the 550 bottom end? seems like an awful lot of work when you could just get a 650 in the first place right?


        Well, ****! Just buy a new bike! They're way faster!





        If you have to ask you wouldn't understand.
        http://img.photobucket.com/albums/v5...tatesMap-1.jpg

        Life is too short to ride an L.

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          #64
          550 bottom ends are roller bearing as well AFAIK 650's are plain bearing.
          If you dont understand then "If you have to ask you will never know" RHCP

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            #65
            thank you gearhead thats what im looking for... i understand that give some circumstances you could save money and do this where i happen to live i see 650's for sale alot and would just change motors... BUT now that i know about the bearings this make alot more sense

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              #66
              Originally posted by gearhead13 View Post
              550 bottom ends are roller bearing as well AFAIK 650's are plain bearing.
              ... " RHCP
              The 650s have a mix of motors. The shafties have plain bearings, but the chain-driven E models are rollers.

              The only real advantage of doing this swap is that you will have the 6-speed transmission of the 550 but all the POWER of the 650.

              What's RHCP?

              .
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                #67
                Originally posted by Steve View Post
                What's RHCP?

                .
                Red Hot Chili Peppers.

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                  #68
                  There was a lot more 650G motors than the "E" type motor. Obviously you cannot drop a shaft drive motor into a chain driven frame. Yet you can bolt a "G" set of cylinders, head and pistons onto a 550 bottom end and increase your power by almost 50%. With the advantages of a lighter frame and six speeds. Although, being the owner of one of these bikes, the 6th gear is a bit superfluous. It has so much torque that this motor does not need to be revved to get performance. It has good power from under 3,000rpm in 6th.

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                    #69
                    Originally posted by DCrippa View Post
                    This sounds ridiculously awesome and labor intensive. Any pics?
                    What pics would you like? I have thousands. Of every step of the way.

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                      #70
                      Originally posted by Suzuki_Don View Post
                      What pics would you like? I have thousands. Of every step of the way.

                      I would be interested in evey picture haha
                      But mostly interested in material removal for cylinder clearance and whatever you had to do for 750 conversion (although I'll probably stick with the 650 stuff). This is such a great thread for the 550 crowd it's just lacking photos.

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                        #71
                        Originally posted by 240punk View Post
                        I would be interested in evey picture haha
                        But mostly interested in material removal for cylinder clearance and whatever you had to do for 750 conversion (although I'll probably stick with the 650 stuff). This is such a great thread for the 550 crowd it's just lacking photos.
                        Here are a few pics of the 700cc conversion. No words required as each picture is worth 1,000 words. haha.














                        I am going a a bike run for 3 days on the 700, so if I don't reply to any posts don't be alarmed. I will reply when I get back.

                        .

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                          #72
                          where did you get that ring compressor?

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                            #73
                            Originally posted by gearhead13 View Post
                            where did you get that ring compressor?
                            I purchased them from Ebay seller in England Rectoryantiques17 - the compressor is for a BSA or AJS. This was the description on Ebay "NEW PISTON RING COMPRESSOR 60-65mmBSA TRIUMPH AJSARIEL".

                            If I remember correctly I cut them down a bit so they would fit in better between crankcase surface and the cylinder base. Things are a bit tight in there on the 550 crankcases.

                            I just checked and there are none for sale on Ebay at the moment, but you could send a message to the vendor via Ebay. Or email address is: rectoryantiques17@hotmail.com


                            P.S. Just did another search on Ebay and found one under this item number 130405990024.

                            Or http://www.ebay.com.au/itm/NEW-PISTO...item1e5ccd7e88

                            .
                            Last edited by Guest; 10-24-2011, 06:57 AM.

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                              #74
                              I've never worked with 4 pistons before so I'm a bit nervous to put it all back together.
                              Are ring compressors necessary?

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                                #75
                                Originally posted by 240punk View Post
                                I've never worked with 4 pistons before so I'm a bit nervous to put it all back together.
                                Are ring compressors necessary?
                                No. But it makes the job a bit easier.

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