What is the final gear ratio on a 1985 90 HP Evinrude
K kart33 Petty Officer 3rd Class Joined Apr 23, 2002 Messages 87 Nov 15, 2002 #1 What is the final gear ratio on a 1985 90 HP Evinrude
D Dhadley Supreme Mariner Joined Feb 4, 2001 Messages 16,978 Nov 15, 2002 #2 Re: Final Gear Ratio 90 HP Evinrude Should be 2:1. <br /><br />Good luck!