Thanks for the pictures and the info Nige, much appreciated!
yep there's a receipt for the engine and another from JGM for the simtek ecu so will contact him to have a look at the mapping about the same time i get it serviced
the bike is very cool too, looks a bit like my mates gixxer a few seconds before he high sided on druids a few months back..... at slow speed AND on pretty much his second to last lap!