The first year I had Quicksilver I pulled the rudder to deal with some cracking on the leading edge below the tiller and above the waterline. It turned out to be pretty wet all the way through. It spent the winter next to a heater and was repaired in the spring.
Although it sounds like your's is in good shape, I would check the area around the tiller bolt and also pull the gudgen (pintle?) bolts to check that as well. While it is out of the water, it would not hurt to seal all the fastener holes with epoxy and re-bed everything.
Steve
Quicksilver #344
