Last time out as the engine was at 4500RPM, I heard a pop. Right afterwards I heard clicking coming from the engine. I was about 5 miles from shore with no cell phone signal, so I decided to reduce the RPM's and hope to get close enough to obtain a signal and call for a tow. After about 1 mile, the clicking got louder and then finally I was stranded. The enigine would run, but I had no forward or reverse when I put it in gear. Naturally the clicking also went away. Does anyone know what type of damage I may have caused and what I can expect to pay?