Have a pic on my desktop of what the motor looks like on my boat, but not quite sure how to post it. Anyway, I have a 87ish 16' Starcraft aluminum v hull which is rated for a 80HP motor. The 50 horse that was on there took a dump and was replaced with a 88 90hp merc 3cyl. This boat porpoised...
Sorry if this is a duplicate, but I looked all over and couldn't find my answer. Anyways, I have a 1988 Merc 90HP. For awhile what would happen is that if you were running at a constant low to mid speed it would seem to load up and would chug for a couple seconds or more to get going when you...