I fog the heck out of my 115 Merc in MA! I unhook the fuel line and then fog away, trying to prevent it from stalling by cutting off the spray when the engine starts to sputter, then when it starts running smoothly again, I fog some more.
After the engine finally stalls out, just for good measure, I empty the rest of the fogger into the cylinders.
Don't forget to change the lower unit oil first.
Smokes like a son of a gun in the spring!
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