I have a 2016 290 BR w/ twin 6.2l (300 hp.) 108 hrs. and am getting an Exhaust Overtemp alarm on the port engine when I run it over 4000 RPM. I actually felt the risers when the alarm went off and one side is definitely hotter than the rest. Operating temp on that engine is normal according to the vessel view. I recently had a dealer replace the trim position sensor on that engine and they had to remove the drive for that repair. I am probably going to take it back to that dealer but I was wondering if anyone else had a similar situation.