bowgus wrote:
.. so to winterize, I shut off the fuel and ran the engine until it ran
out of fuel so the carb would be dry. I then removed all the spark plugs
and sprayed the
oil directly into the cylinders, cranked the engine over (with spark
disabled) and sprayed again. Now, this won't fog the valves but it does
guarantee there's no fuel left in the carb ... opinions?

I suspect there will be some amount of fuel left in the float chamber,
most jets do not pull from the bottom.