Thanks everyone.
Some good tips. I'll check some of that out tonight.
Incidently, I was talking to one of the dealers looking for some carb cleaner - It's quite common here for people to park the bike up over winter then have the crud in the carb come spring time. They were telling me they'd been having a lot of customers with carb probs since the petrol companies switched over to E85 fuel (here in Oklahoma). Sometimes with just 6weeks of not being run! She suggested taking it for a long run (2 to 3 hrs) and see if that will flush the carb and burn some of the crap out. I'll have to find time to do that before long (It'll be fun even if it doesn't help