On commissioning engine (1983 75 hp Johnny) with ear muffs on water intake ports, either blew in, or sucked in port screens (both sides). Am I in trouble? Where did they go? Where can they go? Without screens, can debris go into housing, into water intake tube, into water pump, and into engine block passages? Any other "upstream" screens? Have 3 ports on each side. Were there 6 small screens or two big ones? What are screens made of?