hose routing

I just got my bike back from the dealership service center after having the valves adjusted. It started and ran fine for a mile or so at city speeds, and then for about 30 minutes at highway speed. When I exited and stopped at a light, I was idling so rough that it rattled my vision. After that...

Okay, so I don't know how to edit headings - it's not an exhaust leak. It was coming from the valve cover bolt and just collecting grime. My forward left cover threads are completely stripped out, I was thinking this was an exhaust leak because of the black soot but when I looked at the exhaust...