Yamaha Seca 900

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  • will61310
    • Feb 2026

    #1

    Yamaha Seca 900

    Anybody ever have one of these? Pros/Cons? I saw one I may go check out. My brother had a 750 and 2nd gear went, anything else they're known for? Thanks...
  • steve murdoch
    Forum Guru
    Past Site Supporter
    • May 2004
    • 8491
    • St. Catharines, On.

    #2
    Same as a lot of GS, the regulator/rectifier can be iffy causing a no-charge.
    2@ \'78 GS1000

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

      #3
      I have a 650. I like it. Think I would like a 900 more.
      sigpic Too old, too many bikes, too many cars, too many things

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      • srsupertrap
        Forum Sage
        Past Site Supporter
        • Oct 2007
        • 2208
        • Erie, CO.

        #4
        Pros: One year wonder which was a victim of the HD tariff
        Cons: Part availability
        Steve

        1979 GS1000E (45 Yrs), 1981 GPz550 (11 Yrs)

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        • GregT
          Forum Sage
          • Jul 2009
          • 3541
          • New Zealand

          #5
          They went longer than one year outside the US. Not a bad bike at all.
          I've been inside a couple of motors to prepare them for speedway TQ use - never had to repair a road one. Solid, well engineered.

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          • steve murdoch
            Forum Guru
            Past Site Supporter
            • May 2004
            • 8491
            • St. Catharines, On.

            #6
            A bit of mechanical info here:http://prototype900turbo.com/index.p...00/maintenance
            2@ \'78 GS1000

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            • will61310

              #7
              I passed on it. The 1 year thing did it for me. They've got some weird rotors on the front that are somewhat known to warp.

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

                #8
                The tariff bikes were the 700's. A 900 would have been taxed either way. There are plenty of nice bikes out there besides 900 Secas, but I would be inclined to get one if a decent one crossed my path when I had the money. I have looked at a few, and they were thrashed, so I passed. I would try a TDM 850 Yamaha too, if a nice one crossed my path.
                sigpic Too old, too many bikes, too many cars, too many things

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                • Guest

                  #9
                  U Seca I finda....
                  If I got one cheap, I would take it.

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