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How to put exhaust on the bike?

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    How to put exhaust on the bike?

    Well after doing a poor job putting the exhaust back on last time - because I didn't have new crush gaskets - I am trying to do it right this time. Any advice?

    Is it OK to put the two small/middle pipes on the head first and then bring in each side pipe?

    Also a couple of the bolts are shorter than the others. Hmmm. Maybe the fiche can tell me which is which.

    I guess I could spray some carb cleaner on the head and try to get some of the gunk off first.

    Thanks, guys.




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    #2
    Personally, I would hang the outer pipes (loosely), then add the center pipes.

    Get everything to line up so it goes together, then start tightening from front to back.

    .
    sigpic
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      #3
      What he said.
      V
      Gustov
      80 GS 1100 LT, 83 1100 G "Scruffy"
      81 GS 1000 G
      79 GS 850 G
      81 GS 850 L
      83 GS 550 ES, 85 GS 550 ES
      80 GS 550 L
      86 450 Rebel, 70CL 70, Yamaha TTR125
      2002 Honda 919
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        #4
        Will do. Contemplating what to do with heat shield which has lost three of four mount points, and whether I should not put this together until I get this repaired or replaced. Hmmm

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          #5
          Yep - outer pipes first then the middle two - also helps to have about 6 hands...

          Try brake cleaner as opposed to carb cleaner to remove the gunk - it leaves little residue compared to carb cleaner.
          Current:
          Z1300A5 Locomotive (swapped my Intruder for it), GS450 Cafe Project (might never finish it....), XT500 Commuter (I know - it's a Yamaha :eek:)

          Past:
          VL1500 Intruder (swapped for Z1300), ZX9R Streetfighter (lets face it - too fast....), 1984 GSX750EF, 1984 GSX1100EF (AKA GS1150)
          And a bunch of other crap Yamahas....

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            #6
            With bike on centerstand and cardboard underneath it, and muffler assembly bolted "loosely" together underneath bike, I used wire in the rear mount holes to raise up the rear, then I slid like a shoe box underneath the pipes under the engine to get it elevated and in the ballpark area, then moved the headers forward and up until I got those loosely seated and in place. When I got it all in place then I bolted the rear mounts, not too tight, and then started tightening the header bolts, but not too tight until I got everything in place. Once I got everything positioned correctly then I put the torque on all the bolts, evenly and sequentially until all was tight.

            I would highly recommend anti-seize on all your bolts (appears you have some residue of it there).

            I wouldn't worry about the gunk (it protects the finish ) at least until you get it all back together, then some spray degreaser and a brush.
            sigpic
            Steve
            "The world is a book, and those who do not travel read only one page." :cool:
            _________________
            '79 GS1000EN
            '82 GS1100EZ

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              #7
              Originally posted by sedelen View Post
              With bike on centerstand and cardboard underneath it, and muffler assembly bolted "loosely" together underneath bike, I used wire in the rear mount holes to raise up the rear, then I slid like a shoe box underneath the pipes under the engine to get it elevated and in the ballpark area, then moved the headers forward and up until I got those loosely seated and in place. When I got it all in place then I bolted the rear mounts, not too tight, and then started tightening the header bolts, but not too tight until I got everything in place. Once I got everything positioned correctly then I put the torque on all the bolts, evenly and sequentially until all was tight.

              I would highly recommend anti-seize on all your bolts (appears you have some residue of it there).

              I wouldn't worry about the gunk (it protects the finish ) at least until you get it all back together, then some spray degreaser and a brush.
              I would consider anti sieze mandatory. Ive used it on all cycle exhausts Ive worked on and never had a problem with removal ,or loosening while in use. Careful not to use too much though. Ive had excess anti sieze get hot and drip on the pipe, leaving a stain.
              sigpic
              When consulting the magic 8 ball for advice, one must first ask it "will your answers be accurate?"

              Glen
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