I can't put a finger on why. The engine has a much deeper pitch when riding. The valves were done not even 2k ago. Would it be a dirty Carb? The power isn't affected too much but is slightly lower.

Needing an oil change, dirty air filter, intake boot leak, water in exhaust, bad gas....there are so many things that can affect how the engine generally sounds, hard to nail it down without actually hearing it.

Yikes! Well the oil was done with the valves. It did rain pretty bad a few days ago, which i forgot to cover the bike up for. So maybe there is water in the exhausted. Any idea how to get it out? Any big threat where I shouldn't ride?

Nah, water in the exhaust isnt too big a deal. It will burn itself off after a while. It has a tendancy to change the exhaust note a little, and it smells kinda like burnt popcorn for a little while. No biggy.

I have noticed that Smell every now and then. I'll keep my eye out for any other issues. And make sure to cover her up before it rains. :)