Update...
Well, despite being absolutely chocka..those good old boys at Moto Rapido have sussed the problem..in just a week..!!
Busted injector...and unfortunatley you hav eto buy the whole throttle body assembly at about £900 !!
DUK have kindly agreed to sort it despite the bike just being out of warranty so big thanks to Wilf & Steve @ MR and Andy at DUK for saving the day...
Nat