On this forum and the Airheads list there have a number of postings about tank cleaning and resealing. After removing my petcocks for rebuilding I have found that I have rust in the lower seams of my 1982 R100.
I have researched several of the suggested cures from both lists, This one appeals to me as it is a complete package, and has been around a long time:
Does anyone have any experience with it? I'd appreciate any comments.