Enfield's Rebuild

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  • hampshirehog
    Forum LongTimer
    Past Site Supporter
    • Oct 2007
    • 12675
    • Hampshire. UK

    #31
    That little bit isn't not off your car (unless that's got a Suzuki engine in it). It's called a pawl roller part number 09209 - 05011.

    If you look at the Alpha sports parts diagram, gear shifting tab you'll see where it goes.

    You don't need ring compressors as there's a really good taper on the cylinders which makes popping the pistons / rings in easy. The key is getting things square - I use 6 inch lengths of plastic sink waste pipe under the pistons -it fits perfectly and gives a little bit of 'squidge'. However, if you don't feel comfortable doing it free-hand then use 650 Triumph Bonneville ring compressors (or BSA A65 - same things). They're cheap and easy to use and designed for bikes; they are a must on BSAs as there isn't any taper but just make things slower on a Suzuki
    Last edited by hampshirehog; 09-16-2012, 04:37 PM.
    79 GS1000S
    79 GS1000S (another one)
    80 GSX750
    80 GS550
    80 CB650 cafe racer
    75 PC50 - the one with OHV and pedals...
    75 TS100 - being ridden (suicidally) by my father

    Comment

    • EvilEnfield

      #32
      Thanks HH, good idea on the pipe, I'll give it a try tomorrow. Hope that little spring isn't missing behind that roller too.

      Comment

      • Nessism
        Forum LongTimer
        GSResource Superstar
        Past Site Supporter
        Super Site Supporter
        • Mar 2006
        • 35787
        • Torrance, CA

        #33
        Sorry to be a bummer but that green base gasket from Athena SUCKs! I suggest you stop and get OEM Suzuki gaskets otherwise you almost certainly will get leaks and have to do the job again.

        Photo below shows how the Athena base gasket extruded out of place under the cylinder clamp load of 27 ft-lbs on the head nuts. Not good.

        Last edited by Nessism; 09-16-2012, 04:31 PM.
        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

        Comment

        • EvilEnfield

          #34
          Nessism, no worries, someone had to say it, I know I'm going to have to do it again at some point in the future, but I've only worked 13 days out of the last month and OEM is massively expensive, this set was all I could afford for now, hopefully it'll just see me through to next year and I'll do it again.

          Comment

          • EvilEnfield

            #35
            My gasket doesn't look as bad as that, I hope it's not anyway, it don't think it says Athena on it anywhere either, is Athena a well known bad make? Just had a look, mines d&k, I think I'll put some liquid gasket on the base one.
            Last edited by Guest; 09-16-2012, 04:42 PM.

            Comment

            • Nessism
              Forum LongTimer
              GSResource Superstar
              Past Site Supporter
              Super Site Supporter
              • Mar 2006
              • 35787
              • Torrance, CA

              #36
              Dude, that's what the gasket looked like AFTER if failed with only 200 miles on the clock! Green gaskets = Athena. BAD BAD BAD. The cost of a brand new OEM base gasket is only about $11

              Part# 11241-45401-H17

              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

              Comment

              • hampshirehog
                Forum LongTimer
                Past Site Supporter
                • Oct 2007
                • 12675
                • Hampshire. UK

                #37
                ?11.80 at Robinsons. That's what I would use.

                I've only ever used DK stuff on mopeds and CG125s, that sort of thing. They're cheap for a reason.

                Genuine head gasket is ?62.40 - if you want to go that way (strongly recommended) I've got a new one you can have for half price plus the p&p. Send us a pm if you're interested.
                Last edited by hampshirehog; 09-16-2012, 05:06 PM.
                79 GS1000S
                79 GS1000S (another one)
                80 GSX750
                80 GS550
                80 CB650 cafe racer
                75 PC50 - the one with OHV and pedals...
                75 TS100 - being ridden (suicidally) by my father

                Comment

                • EvilEnfield

                  #38
                  Thanks HH, I'll take you up on that offer, probably wont be for a couple of weeks though if that's alright?

                  Comment

                  • Nessism
                    Forum LongTimer
                    GSResource Superstar
                    Past Site Supporter
                    Super Site Supporter
                    • Mar 2006
                    • 35787
                    • Torrance, CA

                    #39
                    I never had problems with the Athena head gasket, it was the base gasket that failed.
                    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

                    Comment

                    • EvilEnfield

                      #40
                      Hello everyone, I'm back from my poverty holiday now, and I'm ready to get back into it.

                      HH thanks for that offer but I got a pair of gaskets from a bloke down the road for beer tokens so I won't need it now.

                      I'm going to put the stock airbox back on soon, I'm tired of farting about with the pods, especially with the horrendous wind and rain we've had here, I always have a flat spot somewhere no matter how many configurations I try, so back to stock it is although I will be trying to adapt it so that it opens up to make it easier to install and remove as necessary.

                      Does anyone know what are the easiest to fit rear sets?

                      Good news too, I got a diggerital camera for Christmas so there'll be better pictures too. Took a couple with my old Yashika before Jessops closed though, very arty -


                      gsx by EvilEnfield, on Flickr

                      Comment

                      • EvilEnfield

                        #41
                        Tore down my spare bank of carbs and swapped the good parts from the tank sealant filled other ones, new o-rings again, all good and clean, made my fuel tap a bit neater might need to nip a little more off the bottom of the top section of hose so the fuel doesn't have to go uphill to get into the carbs.


                        DSCF0031 by EvilEnfield, on Flickr

                        Comment

                        • EvilEnfield

                          #42
                          Hello everyone, does anyone know a car that has the same size piston rings as my GSX750 ET, 16 Valve? I need some at I think .5mm oversized, and does anyone know the measurements for the standard rings please? Thanks.

                          Comment

                          • hampshirehog
                            Forum LongTimer
                            Past Site Supporter
                            • Oct 2007
                            • 12675
                            • Hampshire. UK

                            #43
                            If you have the time it'll be in this catalogue i bet:

                            Scribd is the world's largest social reading and publishing site.
                            79 GS1000S
                            79 GS1000S (another one)
                            80 GSX750
                            80 GS550
                            80 CB650 cafe racer
                            75 PC50 - the one with OHV and pedals...
                            75 TS100 - being ridden (suicidally) by my father

                            Comment

                            • EvilEnfield

                              #44
                              Great link HH, I'm sending it to my Dad, that'll keep him entertained for weeks.

                              Comment

                              • gearhead13

                                #45
                                Originally posted by EvilEnfield
                                Hello everyone, does anyone know a car that has the same size piston rings as my GSX750 ET, 16 Valve? I need some at I think .5mm oversized, and does anyone know the measurements for the standard rings please? Thanks.
                                Why do you need oversize rings? Are your pistons oversize? Been bored out?

                                Comment

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