How do i tell if a lower unit will fit my engine?

Question

i have a 1985 90hp evinrude. it has a cracked lower unit and the gears are shot. i want to buy a user or rebuilt one, but how do i know if it will fit my existing engine?

Answer 1

Here's a site with the lower units for your engine;

http://www.boatmotors.com/motorparts/ind...

Get the model number from the ID plate on your engine and call them for assistance in selecting the correct part.