I just bought a 1988 wellcraft 230 with 225HP outboard. Didn't seem to have any transom problems, but I started reading the posts and have a question. I have a hairline crack (<1/16") about where the deck meets the transom. Crosses about 3/4 of the width. Seems like it is probably just gelcoat. Some other small cracks but nothing major.<br />Transom seems strong when pushing down on the engine while tilted up.<br />First question. Should I fill the hairline crack?<br />Second question. I checked the drain plug location and am surprised that there is not a "thru hull fitting". There is a fitting for the screw-in drain plug, but it doesn't go all the way thru. Is that normal. I can reach in and it feel the core and it is totally solid, but there is also a void between the inner fiberglass and the core. Water is definitely in the void area. I am guessing that there should be wood there. Should I fill the void? 