Confession Time - Rust...

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  • SamLack99
    Forum Apprentice
    Past Site Supporter
    Super Site Supporter
    • May 2023
    • 97
    • Dawlish, Devon, UK

    #1

    Confession Time - Rust...

    Some time ago, I stripped Suzy's (my 1982 GS750T) carbs down.

    They got cleaned, air correctors fitted, new o-rings, and Viton choke plunger seals - The Works.

    I even degreased and cleaned all the rust off every part (starter shaft, choke cable lever, choke cable plate etc.).

    What I've learned since then is that if you clean parts too well, you strip the plating off them and then they rust even quicker and probably worse.

    The picture below gives you an idea of what I'm dealing with:



    I'm in the process of trying to fix Suzy's flat spot (from 1/4 throttle on...), but before I do that, I need to clean everything up again and derust.

    My question is (finally)...

    ...Once clean, how do I stop the unprotected metal parts from rusting again?

    Buy new hardware? Most of it isn't available (easily).

    Replate? Is that possible at home without £1000's of equipment and special chemicals?

    Something else?

    I've learned my lesson about cleaning the 'zinc plating' off metal parts.

    But would appreciate any gems of wisdom you might share about how to prevent it from happening or at least slow it down considerably, on these parts I've already de-plated.

    Many thanks.
  • Grimly
    Forum Guru
    Past Site Supporter
    Super Site Supporter
    • Sep 2012
    • 5783
    • Ireland

    #2
    Home zinc or nickel plating is a thing, easily accomplished.
    Dave
    '79 GS850GN '80 GS850GT
    Only a dog knows why a motorcyclist sticks his head out of a car window

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    • chuck hahn
      Forum LongTimer
      Past Site Supporter
      • May 2009
      • 25928
      • Norman, Oklahoma

      #3
      Wire wheel them clean with a dremel and steel wool. Then treat with ACF50 and never have corrosion aging. Steel, chrome and aluminum. Spray it on and let set a while to soak into pores good then wipe off. I shoot it on carbs right on the bike. Lay a rag under the carbs and use compressor to blow excess off. Easy peasy. Just a few minutes each spring wiping a new coat on takes care of metal forever.
      Last edited by chuck hahn; Yesterday, 04:28 PM.
      MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
      1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

      NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


      I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

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      • Nessism
        Forum LongTimer
        GSResource Superstar
        Past Site Supporter
        Super Site Supporter
        • Mar 2006
        • 35798
        • Torrance, CA

        #4
        The only way for a lasting fix is to replat, or maybe paint. I use a Caswell Plating kit...

        20200922_173849 by nessism, on Flickr
        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

        • SamLack99
          Forum Apprentice
          Past Site Supporter
          Super Site Supporter
          • May 2023
          • 97
          • Dawlish, Devon, UK

          #5
          Thanks Guys.

          Nessim...

          ...I have Carb envy! Incredible work.

          Casewell plating kit, you say? Time to hit up Google =)

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