90hp force lower unit swap

A.Hoj

Seaman Apprentice
Thread starter
Joined
May 24, 2006
Messages
39
My lower unit has been making some strange noises at idle speed, but goes away once I thottle up. If I can find one cheap enough I'd like to just swap it out before I get stranded 5 miles out in the ocean.

Can someone tell me which lower units from other sizes/years force motors will fit my 1998 90hp force (serial # OE326317)?

More specifically will a 1999 75hp force lower unit fit?
 
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