Rebuilding 1991 120 lower unit

jandjemp

Cadet
Joined
Aug 8, 2005
Messages
7
The lower unit housing on my 1991 120hp had a crack in it when I bought the boat, most likely from poor winterizing. I have tracked down and got ahold of a mathing gear housing and plan to swap the gear set out of my original lower unit into the new housing. Anything I should know before I start?? Thanks In advance!!
 

phillnjack2

Ensign
Joined
Apr 30, 2011
Messages
918
The lower unit housing on my 1991 120hp had a crack in it when I bought the boat, most likely from poor winterizing. I have tracked down and got ahold of a mathing gear housing and plan to swap the gear set out of my original lower unit into the new housing. Anything I should know before I start?? Thanks In advance!!

put in complete new seals, never re-use seals from one case to another.
 
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