Exhaust interchangablity

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  • 850GT_Rider
    • Jan 2026

    #1

    Exhaust interchangablity

    Will these fit an 80 GS850G?

  • Buddy
    Forum Mentor
    • Jun 2006
    • 407
    • Greenville,Al.

    #2
    Not without some modifications. I just finished doing the reverse, 850 pipes on 1100G. The pipes will fit the head but the bolt spacing on the flanges is wider on the 1100 pipes. I just drilled and slotted mine till they fit. The rest should fit OK. May have to build a different bracket at the rear.

    Hope that helps.

    Buddy
    09 Yamaha Venture Royal (my first Yamaha)
    83 Honda VT500FT Ascot (three of them)
    81 GS650G for the wife.
    82 Suzuki GS850GL Bought it 3 times, sold it twice, then traded for a nice 82 GS1100G AND a 93 Honda 750 Nighthawk, even WOW!
    I am the master of my unspoken words, and a slave to those words that should have remained unsaid.
    If ya can't dazzle 'em with brilliance, baffle 'em with B. S.
    Motorcycles are like children....They should be seen and not heard.

    Comment

    • DanTheMan

      #3
      Originally posted by Buddy
      Not without some modifications. I just finished doing the reverse, 850 pipes on 1100G. The pipes will fit the head but the bolt spacing on the flanges is wider on the 1100 pipes. I just drilled and slotted mine till they fit. The rest should fit OK. May have to build a different bracket at the rear.

      Hope that helps.

      Buddy
      Yeah, what he said. Go for it!

      Comment

      • 850GT_Rider

        #4
        Thanks! I'll watch and see where they get to.

        Comment

        • 850 Combat
          Forum Guru
          Past Site Supporter
          • Sep 2006
          • 6018
          • Spokane, WA, and Hampden, ME

          #5


          Attractively preced 1980 850 exhaust, if it isn't gone
          sigpic Too old, too many bikes, too many cars, too many things

          Comment

          • 850 Combat
            Forum Guru
            Past Site Supporter
            • Sep 2006
            • 6018
            • Spokane, WA, and Hampden, ME

            #6
            Originally posted by Buddy
            Not without some modifications. I just finished doing the reverse, 850 pipes on 1100G. The pipes will fit the head but the bolt spacing on the flanges is wider on the 1100 pipes. I just drilled and slotted mine till they fit. The rest should fit OK. May have to build a different bracket at the rear.

            Hope that helps.

            Buddy
            Did you bolt the 850 pipes under the engine? Or maybe later 850 pipes don't bolt under the engine?
            sigpic Too old, too many bikes, too many cars, too many things

            Comment

            • Buddy
              Forum Mentor
              • Jun 2006
              • 407
              • Greenville,Al.

              #7
              Yes the 80 and newer 850's bolted to the pan, but my per-muffler was rusted out. I replaced it with 1 1/2" exhaust tubing (per Steve's advise). Which eleminated the under engine mounts. I'm not sure the 1100 pan has the bolt holes anyway. Right now the rear is held up with coat-hanger. Very redneck! I just needed some quiet pipes to test run this engine and not upset the neighborhood. Later it'll get something louder.

              Buddy
              09 Yamaha Venture Royal (my first Yamaha)
              83 Honda VT500FT Ascot (three of them)
              81 GS650G for the wife.
              82 Suzuki GS850GL Bought it 3 times, sold it twice, then traded for a nice 82 GS1100G AND a 93 Honda 750 Nighthawk, even WOW!
              I am the master of my unspoken words, and a slave to those words that should have remained unsaid.
              If ya can't dazzle 'em with brilliance, baffle 'em with B. S.
              Motorcycles are like children....They should be seen and not heard.

              Comment

              • terrylee

                #8
                if you don't want them I might, but don't want to step on any toes on here, plus not sure I can afford. terrylee

                Comment

                • 850 Combat
                  Forum Guru
                  Past Site Supporter
                  • Sep 2006
                  • 6018
                  • Spokane, WA, and Hampden, ME

                  #9
                  Whoops, what I thought was an exhaust system was really just some mufflers which had been sawed off from an exhaust.
                  sigpic Too old, too many bikes, too many cars, too many things

                  Comment

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