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I'd put the 10W30 in the bike for about 500 miles, change it, and then go to whatever flavor 10W40 or 20W50 makes you feel good. The bike only holds a tiny bit of oil to begin with so changing the oil is not expensive. Heck, it gets to the point where the filters are almost as expensive as the oil. Personally, I like Rotella T in 20W50. I firmly believe that the oil is less important for break-in than the way you ride for those first 100 miles. If you have subjected the rings to WFO up to about 6K a few times the rings are seated. Then it's just a matter of getting all the mating parts happy with each other. When I changed my oil I was surprised at how little metal was on the magnetic drain plug. A bigger concern was the amount of fuel in that oil. Mine smelled strongly of fuel and an oil analysis confirmed the same. Now I run a much hotter thermostat and have no fuel in the oil. All is good. Oh, about 4500 miles now.
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