oil mix ratio

pappaw

Cadet
Joined
Mar 6, 2008
Messages
24
I have a johnson 5.5 1963, a johnson 6 1966,an evinrude 6 1972 and a mercury
9.8 1966 what are the fuel to oil mixing ratios for these motors
 

F_R

Supreme Mariner
Joined
Jul 7, 2006
Messages
28,226
Re: oil mix ratio

The '63 is 24:1 and the '66 and '72 are 50:1 I dunno about Mercs. Heck if it is more convenient, run all the Evinrudes and Johnsons on 24:1. It won't hurt a thing. But it probably isn't wise to run the early ones on 50:1

There was a time that Merc claimed their motors were so precision that they needed plenty of oil and they resisted going to 50:1. Ever hear of hogwash?
 

pappaw

Cadet
Joined
Mar 6, 2008
Messages
24
Re: oil mix ratio

sorry about the double posting had some help from my granddaughter.
thanks for the info. I didn't think the the 5.5 was the same as the 6.
 
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