[QUOTE] wrote[QUOTE] [email][/email] wrote in message [QUOTE] As subject really. Removing the exhaust from the K100 I've managed to snap one of the exhaust studs.[/QUOTE] <snip> Gotcha, you fucka. Ground it down so I could hammer a stud extractor over it[1]. Used some of that 'wurth' rost off snake oil . It came out easily enough this time.[/QUOTE] [QUOTE] [2] like this. Not convinced it did it or whether it was the plus gas I'd soaked it in overnight.[/QUOTE] Odd innit, all the advice given out for this problem always involves a bit of "apply liberally and walk away from it and leave it alone for a few hours before setting about the thing with a lump hammer" and it never ceases to amaze me how folks do just that while waiting for replies to questions and it *always* fucking works yet you never give credit for it.[/QUOTE] I'd left it soaking overnight. The real issue was the lack of purchase that I had on it. I was hoping for some inventive thought... actually I was hoping to be encouraged to get to work with the arc welder if I'm honest...