water in exhaust

This is a specific issue for a specific problem and please consider this as a question for a specific issue and please don't move / merge / delete this post. I've identified an issue where starting on water was impossible because water was actively pouring into the exhaust due to a siphoning...

I'm at my wits end with this. I pulled the RV and I see lines in it, but nothing I can catch my finger on. There is a small groove in the block because the RV had a little nick in it and cause that groove in the block, but again, it's not enough to catch my finger nail on. The RV is smooth for...

So I put the boat in for the first time and the bolts on the exhaust came out and it appeared to have water coming from there. I replaces those bolts and took it back out and it’s definitely pushing water out of the exhaust where it attaches to the motor. New to these boats and boating in...