I put about 600 miles on my new bike before my chain began to sound even the least bit noisy. At that time I did a wipe-down and light scrubbing with solvent, air dry, and wet lube. Since then I repeat about every 200 miles.
Yes, the original lube is good stuff. I did wipe down the outside of the chain when the bike was new, to remove some of the goo from the outside of the plates.