Thanks for the reply mthure.
It was imported from Japan so I would assume that it is JDM. I'm thinking that an ecu swap is going to be the answer, was just hoping there was some wire snipping that I could do so that I wouldn't have to buy a new ECU.
I don't think it's the carbs, have run seafoam through so they should be fine.
Also, I just noticed that my bike has 1156 stamped into the block, which means that the engine at least is out of one of the early production 1995 models.
So my bike is registered as a 99, has pieces from a 97 and the engine from a 95