I picked up a gallon of Yamalube 20W40 by mistake. Is it possible to run that in my F50 outboard?
JGator Petty Officer 2nd Class Thread starter Joined Apr 14, 2012 Messages 122 Apr 5, 2021 #1 I picked up a gallon of Yamalube 20W40 by mistake. Is it possible to run that in my F50 outboard?