exhaust leak

Anyone had any problems with an exhaust leak on a gasoline Kohler Genset 5e on a 2004 Searay 420? Mine is setting off cabin CO alarms after about 15 mins of runtime. The sensors are all new and I keep the cabin door shut at all times. Any advice or ideas are welcome. Thanks in Advance Mike

Looking for anyone that has experienced this issue. I've included a link to three photos below and a video. Long story short, on the interior of the transom right to the outside of each stringer, I've got a small hole that weeps water. It's about the same spot on both sides. I've had the...

I have a 1998 sundancer Merc 350s. Upon commissioning i was told of an exhaust leak. Can anyone tell me if this is indeed a plug missing as I suspect and if so anyone know the size, and or part number or replacement for this? Thank you