Yup, I see it now. Thanks. That was driving me crazy. Definitely a confusing set of instructions, especially for a noo'b'uilder.
I had read somewhat mixed reviews on other forums about the OS... Probably just hyperbole - I've never had anything but a great engine experience from O.S. - I'm super excited to fire it up. I've got it here on the bench. Did you run yours yet?
Do you have any aero-towing plans with your SD?