Help please, can anyone tell me if i can change my speedo to a uk spec???? is it poss to convert from cable drive to electronic???

I had to do the same about a year ago. In the end I bought a kph to mph converter from Graham Goode Racing. It is really easy to fit (there is a split in the cable just above the box and the converter sits in there). You will need to ensure the clocks are either the originals or are a direct Jap replacement (I got some white Lockwood dials at the same time - 0 to 160mph on my MY93).
It also acts as a speed delimiter - mine was restricted at 112mph.

Sounds good to me, thanks very much for the advice mate!