My gen5 has 3500 miles and I've had what I'm assuming is cam-chain noise for 3000 of those miles. I noticed the other day that the noise from the bike is louder and I'm hearing what I'd discribe as a fast ticking over 5k rpm. Normally the sound from the engine would drown out the cct above 4K. Could this be valves? I'm no bike mechanic and I wasn't looking forward to taking it to the dealership since they don't seem very sharp or too willing to help.