Re: what did you do to your motor bike today?
I tried something today that seems to have made a positive difference in the performance of my engine. I doubled the exhaust gasket. It doesn't leak (at least yet) and the engine revs easier, idles much smoother, and higher rpm is also 'smoother'. The exhaust port on my engine is a rounded rectangle, while the exhaust pipe is a smaller diameter round.
If this is something that is gonna cause catastrophic damage, please let me know. But, for now, this seems to have made things better.
You're never lost until you run outa gas.