Merc's official oil recomendations

Here is a list of Mercury's oil recomendations. The only exception I think they are now recomending the DFI oil for all PRO XS motors with

Oil:
-These are the "top recommendations". Refer to your owner's manual for other oil specifications!
-ALL EFI/CARB 3.0L Engines: Mercury or Quicksilver Premium PLUS
-All STANDARD Optimax (75-250): Mercury or Quicksilver DFI/Optimax Oil
-ALL ProXS Models: Optimax/DFI Oil. Mercury or Quicksilver Premium PLUS is acceptable, but Optimax/DFI oil is RECOMMENDED due to a better additive package to help combat carbon deposits.
-ALL Racing/XS Models: PREMIUM PLUS

 

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