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POR-15 Fuel Tank Repair Kit - Lessons Learned and Proper Application

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    #16
    Havent tried it on chrome yet. I'll try to see if it takes of surface corrosion off turn signals and a brake pedal
    Current Rides: 82 GS1100E, 00 Triumph 955 Speed Triple, 03 Kawasaki ZRX1200, 01 Honda GL1800, '15 Kawasaki 1000 Versys
    Past Rides: 72 Honda SL-125, Kawasaki KE-175, 77 GS750 with total yosh stage 1 kit, 79 GS1000s, 80 GS1000S, 82 GS750e,82 GS1000S, 84 VF500f, 86 FZR600, 95 Triumph Sprint 900,96 Triumph Sprint, 97 Triumph Sprint, 01 Kawasaki ZRX1200, 07 Triumph Tiger 1050, 01 Yam YFZ250F
    Work in progress: 78 GS1000, unknown year GS1100ES

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      #17
      Originally posted by limeex2 View Post
      Havent tried it on chrome yet. I'll try to see if it takes of surface corrosion off turn signals and a brake pedal
      If you are referring to the Metal Rescue, it works wonders on steel parts that are chromed and have rusted a bit, but not sure about turn signals, I would try Autosol or white brick on a polishing wheel.

      The end caps are pop metal, so I used the polishing wheel, the rest of the parts are steel and were quite bad and they came up beautifully including my brake pedal.

      2018 Honda Africa Twin AS
      2013 DR 650 Grey, sold 1981 GS 650E Silver,

      1980 GS1000ST Blue & White, X2

      2012 DL650 Vstrom Foxy Orange, in storage
      1981 CT110 X2 "Postie Bikes" Gone to a New Home.
      2002 BMW 1150 GS Blue & White - Sold
      1975 BMW R90/6 Black - Sold 1984 GS1150EF Sold
      1982 BMW R100 Africa trip, Stolen - Recovered- Sold
      1977-1980 Suzuki GS550, GS1000E, GS1000S GSX750, GSX1100,s
      Hondas ST90, CR125 CB175 , CB350 CB750, NSU Quickly, Yamaha RD's 350/400,

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        #18
        I just ordered the por-15 three part kit for $35 from amazon and a few OEM O-rings and gaskets from parts outlaw for the petcock and fuel gauge assembly. Shipping was discounted to $4.99 using the promo code OUTLAW18. Not sure if it's a special or what but it saved $5. Looks like it'll be a few weeks before I can ride but I'll be glad to get this done.

        I ran the engine until it died, then drained the carb bowls in hopes of preventing any restarting issues. In the mean time I'll grab some of the Permatex stuff and seal the holes from the outside.
        Roger

        Current rides
        1983 GS 850G
        2003 FJR 1300A
        Gone but not forgotten 1985 Rebel 250, 1991 XT225, 2004 KLR650, 1981 GS850G, 1982 GS1100GL, 2002 DL1000, 2005 KLR650, 2003 KLX400

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          #19
          My '82 GS650L sat for a while and got pretty rusty here in the South Florida humidity. I bought a POR 15 kit, put in the cleaner/degreaser, rinsed, put in the metal prep and rinsed it, drying it out with a shop vac. on reverse (works great). Called it a night and when I came back to the garage in the morning to do the actual sealer, I found the tank full of flash rust.

          Next, I put in Metal Rescue to get rid of the flash rust and it did a great job. I dried it out and filled it with rec. gas. Now, my question is, do I leave well enough alone and run an inline fuel filter or do I use the cleaner/degreaser, dry it and put in the sealer? Ahh, decisions, decisions! Thoughts anyone? btw, no pinholes,etc. on the tank.

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            #20
            Originally posted by KyleB View Post
            My '82 GS650L sat for a while and got pretty rusty here in the South Florida humidity. I bought a POR 15 kit, put in the cleaner/degreaser, rinsed, put in the metal prep and rinsed it, drying it out with a shop vac. on reverse (works great). Called it a night and when I came back to the garage in the morning to do the actual sealer, I found the tank full of flash rust.

            Next, I put in Metal Rescue to get rid of the flash rust and it did a great job. I dried it out and filled it with rec. gas. Now, my question is, do I leave well enough alone and run an inline fuel filter or do I use the cleaner/degreaser, dry it and put in the sealer? Ahh, decisions, decisions! Thoughts anyone? btw, no pinholes,etc. on the tank.
            As long as the rust is truly gone I'd leave out the sealer.
            Ed

            To measure is to know.

            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

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              #21
              I only used POR15 once, in the 80s. I had sent out the tank on a '68 Royal Enfield 750 Interceptor to have it rechromed and a couple dents filled with braise and ground down. When it came back, it looked fantastic, but it leaked a little in a seam. I used the POR 15, following the instructions. It stopped the leak. It also covered what rust was in the tank. The tank had been plugged when it was rechromed. I can't say for sure how well it worked in the long term. I sold it after a decade. It was still fine then. I did it mostly in the house. It was winter in Fairbanks and the garage was unheated. It did stink up the kitchen pretty well when I was using it. A well ventilated area or a respirator would have been safer.
              sigpic Too old, too many bikes, too many cars, too many things

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                #22
                Great thread. Is there a best way to coat/seal the fuel level unit before reinstalling it? It was coated in rust when I took it out but looks great after an extended dip in Evaporust. My plan is to just dip it the drained degreaser and the drained metal prep and then brush on the sealer.
                ...
                Believe in truth. To abandon fact is to abandon freedom.

                Nature bats last.

                80 GS850G / 2009 Yamaha Majesty / 81 GS850G

                Claimed by Hurricane Irma 9/11/2017:
                80 GS850G / 2005 Yamaha Majesty / 83 GS1100E / 2000 BMW R1100RT / 2014 Suzuki DL650

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                  #23
                  I've never used any sealer on the sending units in any tank that I've lined. My thought is that if you have all of the rust under control on the sending unit, it should be good to go!

                  Just my $.02
                  Ron
                  When I die, just cremate me and put me in my GS tank. That way I can go through these carbs, one more time!
                  2020 Yamaha Tracer 900GT
                  1978 GS1000C - May 2021 BOTM
                  1981 GS1100E - the current project
                  1985 GS550E - the "when will I get it done" project!

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                    #24
                    Really good info WingMan71. I used the POR 15 due to a small seam leak on a CB750 tank up by the neck, and I am impressed with how it flowed and of course stopped the leak. I did just about exactly what you said and Bob's my uncle.
                    Tom

                    '82 GS1100E Mr. Turbo
                    '79 GS100E
                    Other non Suzuki bikes

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