I didn't want to hijack Graeme's post on his carbs, just wanted to post about mine. Local guy who does motorcycle carbs. Cost me £341.00. After looking at Graeme's post, I might get a zinc plating tool so I can do more myself, as I will admit his are awesome looking and I'm envious lol Coln...
Nicely done, I had to supply them with a refurbish kit from rockauto.
If you read the whole thread, it is pointed out that if your throttle shaft bushes, or jets are in a bad condition, they're not easily replaced and are a pig's ear to find.
I was lucky enough that my bushes and jets were in a great condition, but speaking to coln engineering, he did say he wouldn't have done the work if he couldn't get it fully functional.
Also needed tuning / balancing afterwards which goes without saying.
Finally, if you have a quick search, I'm sure there's a thread somewhere regarding conversation to HS6 SU's which have an abundance of parts in the UK.