Quote Originally Posted by captainjoe View Post
Great discussion guys. Last year when I got the new boat & motor (225 merc). They told me to just fill up . The engine was made for the 10% ethanol. They didn't recommend any addative. What is interesting my trolling motor is about 5 years old (15 merc big foot) and is hooked to the same fuel line. So far I haven't seen any problems.
I see the biggest problems in the older machines. 80s 90s. We've literally had to drill out main nozzles in carbs to fix the mid range lean condition caused by ethanol fuel.