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    Do I need to change carb jets on a 1993 135 Black Max?

    I currently have a 1987 90hp Merc outboard with three carbs. I live at sea level (and use th boat occasionally at sea level) but I fish mostly at 5,000 - 7,000 feet altitiude. So I'm constantly swapping out the high-speed jets to accomodate the differing altitudes - it's a pain in the butt...
  2. C

    Special tool for Merc 90 carb jet removal/replacement?

    I have a 1987 Merc 90. I occassionally swith out the carb jets to adjust for lakes at different altitudes. Anybody know if there is a special tool/screwdriver available for the removal and replacement of the main jets. In the past, I have just globbed a little something gummy on the end of a...
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