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Recent content by Rustyanchorsup

  1. R

    2016 mercury 90hp efi 4 stroke

    I have a 2016 mercury 90hp efi 4 stroke runs good on idle and for about 3 mins on plain at 5000 rpm then starts to buck and runs rough bit if you take it back to idle runs good agian. Also fuel pressure at the rail stays at 40 psi when this happens
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