787 rotax challenger

I have a 1996 Challenger with twin 787's. This is my first post. I need some help trying to root cause water in my cylinder. This happens randomly throughout the summer, I cannot establish a trend or pattern. The boat is kept in the water all summer. It is the white motor and the pipe plugs...

I have a 96 Challenger Twin 787 boat. Compression is good on both motors and thing runs great. Have an occasional problem with water filling or getting into cylinder while starting. Boat stays in a well. This happens randomly for no rhyme or reason. I will remove spark plug and evacuate...