90h, 4 stroke Mercury outboard

DianeM

Recruit
Joined
May 25, 2015
Messages
1
I have a 90h, 4 stroke Mercury outboard. Do I need to mix oil to the gas?
 

smokeonthewater

Fleet Admiral
Joined
Dec 3, 2009
Messages
9,838
No... Never mix gas for a 4 stroke

Check and change the oil just like you would for your car.
 
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