1971 60 hp

dave3331

Cadet
Joined
Feb 9, 2007
Messages
13
I have a 71 60 hp with the electric hydro shift and the manual says to use a type C gear oil. What is type C?
Also my Father in law has had this motor sience brand new and told me to run 24:1 gas oil and the manual says 50:1. Which should I use?
 

WillyBWright

Fleet Admiral
Joined
Dec 29, 2003
Messages
8,200
Re: 1971 60 hp

You can use a synthetic in place of Premium Blend (Type C). Regular gearlube is too thick which makes shifting sluggish. Absolutely 50:1.
 
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