I have a 90 hp 1999 mariner and after running it for 10 to 15 mins at 85% throttle it seems to bog down. Bog down is probably the wrong phrase it feels and sounds like the throttle is being lowered to random points. I can keep the boat on plane probably around 40% throttle and not have the issue...
I have this 90HP Mariner engine and for the most part it seems to run good. I am no where close to being an expert on outboards.
In one of the pics I have a piece that looks like maybe it should be connected to something, but I'm not sure.
The second pic shows a lot of corrosion and it has...