lower unit oil

ben_fishn

Seaman Apprentice
Joined
Jul 12, 2007
Messages
30
got a 73 mercury 20 hp. how much oil will the lower unit hold and should i put it in the lower hole till it runs out the top hole?
 

Plainsman

Rear Admiral
Joined
Apr 2, 2006
Messages
4,062
Re: lower unit oil

I don't know the Oz it will hold, but yes, fill in the lower hole until it comes out the top. Also make sure the screw gaskets are in good shape.
 

diaric

Chief Petty Officer
Joined
Jul 8, 2006
Messages
532
Re: lower unit oil

should be less than a quart/liter container to fill
 
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