I have a 1964 40hp Evinrude electric shift (model 40463) that seems to be stuck in forward gear. I haven't tried powering the forward and reverse shift lines yet. Might it just be sticking, or is something possibly wrong with it? I just got it from my brother after it sat a year or 2 and I drained some water out of the lower unit. The last time he used it, he hit a deadhead and the rubber mounted prop hub spun on him. He said that he had to use reverse in order to get any usable thrust from the prop. Any ideas?