Wow, new member and I have the cahones to offer advice for a first post!
Randakk also has the petcock rebuild kit - easy to do and the petcock should be removed for the electrolysis clean, anyway - plug the holes. On my project, the PO electrolysis cleaned and 'Kreemed' the tank, and totally covered the intake screens. I was able to dissolve the coating from the main pickup with acetone, but the reserve was damaged anyway, so it will be covered with a portion of fuel pickup 'sock' wire-tied on. I also discovered that the screens shield the area of tank under them from the cleaning. The area under the reserve screen (I ripped it out so that I could make sure of things) was a rust pool. I mechanically cleaned that area, and flushed the tank through the main pickup several times. I'll still ad a better inspectable filter from the petcock to the pump. Also, remember to use a new gasket for the level gauge and check its operation before you button it up. If it were me doing this, I'd bypass the Kreem and just clean it and use pure gas - keeping the tank full and sealing it from air if not ridden for over a couple weeks. Oh, yes - a mini-USB camera is fantastic for looking inside of things like fuel tanks! Built-in LED lighting, and taped to a piece of clothes hanger wire, it can go just about anywhere!
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