Hi guys, I put my XS1100 on ebay
http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=280554396989I did some more work on it, removed the right engine cover to check in there and found at some time water have gathered and there was a fair bit of rust starting at the bottom of the stator, I removed the stator and cleaned, bike ran a lot better right off, it now revs clean up to 6000 and starts to break down after that, plug inspection shows richness so pretty sure the main jets need replacing, I have the kits here and they will be supplied with bike.
cheers.chris