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    Mercury 2 cycle Premium vs. Premium plus synthetic blend oil

    I own a Mercury Optimax 90HP and have been using Mercury Premium Plus oil (Synthetic Blend) since the break in period and I wonder if I could change to the Mercury Premium oil TC-W3 also recommended by the manufacturer under the warranty period. Is it possible to mix both oils in the reservoir...
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    Shifting from Synthetic to Mineral oil on a 90HP Mercury Optimax

    I just purchased a brand new Mercury 90HP Optimax 2-Strokes engine and started using Mercury synthetic oil since the first day, however due to the difficulties in obtaining this oil in south america, I wonder if I could switch to Mineral oil and what would be the procedure for doing it (Could we...
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