Great thanks for the help.
I did the flow test and the fuel flows nicely and shuts off when you lift the float so I'm happy the needle and seat are working well.
I also checked the float level and it sits horizontal to the bowl so I didn't adjust it.
I took out the emulsion tube and both rings need replacing so I'm going to head to the local shop today to try and get a couple of rings just like joe did. Id get the carby kit from the online store but I only need the rings.
I'll put up some photos tomorrow and let you know how it goes once its back together.

Nothing else I should check before putting it all back together?