What are Specs for Mercruiser Drive Oil?

willrace4beer

Recruit
Joined
May 22, 2021
Messages
1
I bought my boat used, so don’t have an owner’s manual. Engine is a 5.0. Drive is a Mercruiser Alpha One.
 

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Bt Doctur

Supreme Mariner
Joined
Aug 29, 2004
Messages
19,447
80-85-90 hypoid anti-foaming MIL Spec 5 or if you prefer regular rear gear oil
 
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