Derick welcome aboard, this is a common issue with the older boats. The repair procedure is to remove the fuel tank, cut the floor where the bracket bolts come through (under the floor) (approx. 10 x 10 hole) you will find that the reinforcing plywood glassed to the inside of the transom has rotted away. This should be cut out, repaired, now through bolted. The large access hole needs to be glassed to keep water from entering the foam. Sounds easy enough....what you may find is saturated foam, some are still dry. You will most likely find dried out vent hoses, now is the time to replace them, you fuel hoses will probably be hard as well & should be replaced with the new E-10 compatible hoses anyway. Pics are available for all of this.