Update: well, I managed to goof up the starting procedure I had in mind, hopefully not to the detriment of my engine. I wanted to kick it over a few times with the kill button pushed (good suggestion) to get some fuel mix in there and supplement whatever lube was used during the rebuild (to be clear, I didn't do the bottom end and went ahead and had the top end assembled while it was at the shop). Unfortunately, it didn't exactly happen that way.
I didn't put a lot of fuel in it just in case the tank had to come back off. I thought I put the fuel petcock on reserve, but in fact it was in the normal run position. So I kicked it over a bunch of times "dry", with no fuel mix going in.
When I finally got my head out of my rear, it started after a few kicks. It seemed to run very well during a couple break in runs. I've only done a couple heat cycles and haven't really ridden it yet. Right now I am battling a coolant leak, but we are off to do some trail riding at St. Joe State Park in MO later this week. Temps are supposed to be in the upper nineties

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So Kirk, I am not much help. I still think the idea to kick it over before starting is a good one. It just didn't work that way for me. I only hope I didn't hurt my motor. Good luck with your startup!