I have a Minn Kota Rip Tide trolling motor mounted on the bow of my Key West 196 Bay Reef. I'm the 3rd owner; the motor came with the boat. We fish a lot but never use the trolling motor and want to take it off the boat and sell it. Plus, it's in the way somewhat and creates a little bit of a safety hazard for us. The motor has a bottom bracket I'll call the "foot" and attached to the boat is a receiving bracket I'll call the "shoe." There's 6 SS screws that seem to be holding the foot of the motor in the shoe. When I started loosening these screws, instead of coming up as I unscrewed them, they just went 'round and 'round...all 6 of them. What's going on? And what do I do next? It looks like if I can't get these screws to come out then the motor and foot bracket can't slide backward out of the shoe. Are there some threaded inserts (or something like that) in the shoe that have gotten stripped due to corrosion or something? If anyone has any experience dealing with either mounting or removing mounted trolling motors, I'd really appreciate hearing your feedback. Thanks.