I'm not saying it's going to work in your case but I had a similar thing happen once and got it welded at a friend's, filed back the worst of the weld, sprayed some linseed oil inside the frame and on the rusty surface bits. Rode the bike another two years after that.
I'm not saying it's going to work in your case but I had a similar thing happen once and got it welded at a friend's, filed back the worst of the weld, sprayed some linseed oil inside the frame and on the rusty surface bits. Rode the bike another two years after that.