1.  Didnt use ay sealant when doing mine, didnt need it.  I Changed the circular copper gaskets at the head and just reused the one on the foot into can.
2.  Applies to all FZS600 (mines a 2003)
3.  not sure where pics are but its all pretty easy to do when you take a look at your bike.
 
didnt snap any studs on mine, did the soaking with WD40 once a day every day for 2 weeks before had though. (just be careful)