Gear lube

waterboy84

Petty Officer 3rd Class
Joined
Nov 25, 2015
Messages
98
I have a 120hp force im trying to get lower unit gear lube changed. Can i use the supertech 80w90 from walmart. If not what would be a cheaper but good recommended gear lube i could use
 

Frank Acampora

Supreme Mariner
Joined
Jan 19, 2007
Messages
12,004
Wal Mart used to carry a marine grade lower unit oil. I used it until I could no longer get it. As long as there are no problems with the existing lower unit, the automotive rear end oil is acceptable.
 
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