1974 XS/TX650 rebuild

[th62]

I had another shot at the left side engine cover. No matter how much I polished it before, the aluminium appeared stained. I've tried a nylon fibre wheel before with no luck, so this time I scrubbed it down with wet and dry then polished it, Still the same. It appears there is a fault in the aluminium, I must have scrubbed the aluminium down by at least half a mm, all to no avail. Still nice and shiny, but the staining is really annoying me. Strangely enough, whilst the other aluminium on the bike was in terrible condition, badly pitted and oxidised, nowhere else is staining a problem. It's only in sections rather than the entire cover. Nothing more I can do, so I'll have to hunt around for another cover. Japanese metals have always been of bad quality, too much junk in the casting I'd guess.
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