GAS OIL MIXTURE 1981- 90 MERC.

[COCHRANLV]

CAN ANY ONE TELL ME WHAT THE OIL TO GAS RATIO SHOULD BE FOR MY 1981 MERCURY 90 OUTBOARD?<br />I AM HAVING DISPUTE WITH FELLOW BOATER.

 

[12Footer]

Re: GAS OIL MIXTURE 1981- 90 MERC.

It is 50:1, or a little less than 3 oz per gallon.<br />But use 3oz per gallon, just to 'error on the side of rich'.

 

[pwilson]

Re: GAS OIL MIXTURE 1981- 90 MERC.

50:1 all day long.