Throttle body is off and intake could be off but it's dry. I could pull the exhaust but I already drained it. If you're looking for engine pics it's an 04 Merc 250 Optimax v6...I'll upload pics soon.
Still thinking about this, since it’s a two stroke I’d look for access to the crankcase below the pistons.
Can you pull the exhaust? Or the throttle body/ intake?
I can’t find any good engine pictures on the net but I would like to see that area accessed and make sure it’s not puddled with water maybe add some lubricant manually since the only oil the crank bearings receive is in the air fuel mixture, and if it’s injected they keep things lean.
I’ll keep looking on line for engine pictures and providing useless thoughts......