Pinhole Repair

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  • clcorbin
    XStremely XSive
    • Jan 2010
    • 495
    • Albuquerque, NM

    #16
    These photos do make me feel better about my own tank! I thought it was almost at the end of it's life and it had less than a 1/4 as many holes! My hat is off to you!
    -- Clint
    1979 XS1100F - bought for $500 in 1989

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    • crazy steve
      XS-XJ Guru MODERATOR
      • Jan 2009
      • 7932
      • Beautiful outer Yelm, WA

      #17
      Originally posted by Lonerider62
      ....Even if all the repaired holes are good, I'd expect there are places not yet discovered that will end up leaking.
      Oh, I dunno... If the tank is cleaned out good then sealed properly, I don't see why it couldn't last as long as any other tank. Although I will confess a bit of curiousity as to why these holes even needed filling. I would think that a good epoxy liner would have sealed the holes from the inside, then a skim coat of plastic to take care of the outside surface issues would have fixed that. If you don't get the internal rust stopped in it's tracks, anything else you do won't help...
      Fast, Cheap, Reliable... Pick any two

      '78E original owner - resto project
      '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
      '82 XJ rebuild project
      '80SG restified, red SOLD
      '79F parts...
      '81H more parts...

      Other current bikes:
      '93 XL1200 Anniversary Sportster 85RWHP
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      Yep, can't leave nuthin' alone...

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      • natemoen
        Master of XSology
        • May 2010
        • 8640
        • Fargo

        #18
        There isn't any rust inside, but I think the PO cleaning out the rust with whatever is what helped cause the holes.
        Nathan
        KD9ARL

        μολὼν λαβέ

        1978 XS1100E
        K&N Filter
        #45 pilot Jet, #137.5 Main Jet
        OEM Exhaust
        ATK Fork Brace
        LED Dash lights
        Ammeter, Oil Pressure, Oil Temp, and Volt Meters

        Green Monster Coils
        SS Brake Lines
        Vision 550 Auto Tensioner

        In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

        Theodore Roosevelt

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        • clcorbin
          XStremely XSive
          • Jan 2010
          • 495
          • Albuquerque, NM

          #19
          Electrolysis can do that. The rust is in place, but compacted enough that it is basically filling the hole where it rusted out the pin hole. When you hit it with electrolysis, it pulls out all rust and you now a LOT of holes that you didn't know actually existed.
          -- Clint
          1979 XS1100F - bought for $500 in 1989

          Comment

          • skids
            XS-XJ Super Guru
            • Jul 2002
            • 5047
            • Florissant, CO, USA

            #20
            Originally posted by clcorbin
            Electrolysis can do that. The rust is in place, but compacted enough that it is basically filling the hole where it rusted out the pin hole. When you hit it with electrolysis, it pulls out all rust and you now a LOT of holes that you didn't know actually existed.
            If you are going to spend a lot of time and money lining and painting, save some headaches and start with a better tank!
            Skids (Sid Hansen)

            Down to one 1978 E. Stock air box with K&N filter, 81H pipes and carbs, 8500 feet elevation.

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