hello. My father in law bought a used boat with bent up 3 blade prop on a 150 merc. I was going to lend him my spare till he gets a new one. Well after nut was removed the prop will not slide off. looks like whomever had it never put any grease on the splines and it is stuck. We have sprayed in some PB spray ( a lube for unsticking nuts and bolts ). i tried a rubber mallet but do not want to damage anything. Anyone have a cure. Thanks. Brian Chance
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