RedactedNarrative: operator stated he took his pwc out from the marina staying in the channel way. he drove out caxambas pass and was turning north to head to keewaydin island when the vessel started to overheat and sounding alarms. 
  
  the engine overheated and melted the carbon fiber exhaust port allowing water to flood the pwc.  a Good Samaritian pwc towed v1 back to the marina.  operator stated he had just received the pwc back from being serviced.