CY,
Mine is an 84 that drains out the sides, but it is an outboard model.
I am going to try something different this winter because this set up does not work very well at rest in any kind of seas. More water comes in than goes out.
Floor drain.
Hose to side from floor, you can see it flows almost up hill.
Side drain.
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Stay Safe!
Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke.
1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.