lower unit oil on mer 40hp

crazyhunter

Petty Officer 2nd Class
Joined
Jan 25, 2012
Messages
128
i have a 1990 mercury 40hp 4cylinder i recently bought some foot oil and when i got home i realised it said for 75hp and up will this hurt it or do i need to go get a diffrent kind?
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,146
Re: lower unit oil on mer 40hp

As long as it is "Marine gear lube for mechanical shift motors" it is the righ type... Your motor doesn't know it is not 75HP or up.
 

crazyhunter

Petty Officer 2nd Class
Joined
Jan 25, 2012
Messages
128
Re: lower unit oil on mer 40hp

thanks for the fast reply and yea its mechanical shift 90 weight marine foot oil from quicksilver
 
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