Bean (baked bean, Heinz bean?
) quietbean, beans never did anything for a quiet night in our home:) sorry just teasing.
Seriously Bean, if your bike's only done 35k miles and was running well before you started tweaking the carbs i'd be very suprised if it needs any work on it all until about 65k miles. The big 1000cc engine is probably rarely thrashed to the red line all the time so there's no reason it should be badly worn.
You can pick up a compression tester off the bay or elsewhere for cheap that is always a good start into engine maintainance. Check plug colour, sort the carbs and then if necessary do a top end strip, decoke, clean valves etc. but even then I'd be suprised if it'd need more than just a clean.
Even badly balanced carbs cause quite a few probs on these kwakers, a set of Carbtune II's is another great tool to smooth running.
BTW that really is a superb looking bike, like a 4cylinder Harley cruiser, I love those footplates and the seat - just great. Aren't you a bit young though to be riding such a big bike!