I think there is some miscommunication going on here between SF and eternal. As far as I can see you are both saying the same thing. That website gives good advice. My scoot is FI but I have plenty of experience using chokes on cars and I assume the principles are the same. You quickly learn to hear and feel the engine to know just how much it needs. And driving away will get the engine up to speed 10x quicker than leaving it sitting there.