can i use automotive type gear oil in my lower unit? What type and weight? thanks
R rslack29 Recruit Joined May 7, 2010 Messages 3 May 21, 2010 #1 can i use automotive type gear oil in my lower unit? What type and weight? thanks
R robert graham Admiral Joined Apr 16, 2009 Messages 6,908 May 21, 2010 #2 Re: lower unit gear oil question - mercury 40 hp Only use Marine specific lower unit oil, it has special corrosion inhibitors for the marine environment. The Walmart brand is fine. Good Luck!
Re: lower unit gear oil question - mercury 40 hp Only use Marine specific lower unit oil, it has special corrosion inhibitors for the marine environment. The Walmart brand is fine. Good Luck!
D DADDYRABBIT1 Seaman Apprentice Joined Dec 16, 2008 Messages 48 May 21, 2010 #3 Re: lower unit gear oil question - mercury 40 hp No never use automotive gear oil in your lower unit, it does not have the same water resistance and auto gear oil will foam up and expand causing pressure build up.
Re: lower unit gear oil question - mercury 40 hp No never use automotive gear oil in your lower unit, it does not have the same water resistance and auto gear oil will foam up and expand causing pressure build up.
