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  1. M

    removing main jets on carb

    Trying to rebuild the carburetors on a 1984 Mercury 90hp, 6 cylinder. I have tried to remove the external brass plugs and also the main jet, but they are frozen. I have tried the appropriate size screw drivers, but have not success. One of the jets looks pretty bad now. Any suggestions?<br...
  2. M

    1984 Mercury 90 hp intermittant idle problems

    I just purchased a 1984 fish and ski with a Mercury 90 hp (6 cylinder). The motor starts and runs great, but it is temperamental when I need to idle it up to the dock or trailer after a long run at full or half throttle. It does appear to idle fine whenever I do short runs between fishing...
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