If you have to set her outside all night, when you do start it, be aware of the oil pressure, been a few tanks exploding because of clogged lines, more than likely frozen condensation in the lines bloking the flow.
i run 10-40 amsoil in the colder months of pa winters, we get a sunny +40 and dry, I AM RIDIN, my bike is in a usually unheated garage, choke and lots of open + closure of throttle before startup helps me