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9.9 carb rebuild problems

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  • 9.9 carb rebuild problems

    Encountered two problems in carb rebuild on 9.9 Yamaha 2001:
    1. How to remove the float pin without damaging carb, so I can change needle valve.
    2. How to remove air adjusting screw. It appears from schematic there is a cap over the screw, but I can't remove what I think is the cap (brass color with small hole).

  • #2
    Lightly tap out float pin with small punch just be carefull to punch out in right direction the head of pin is slighly larger on one end.
    That carb is a EPA carb and pilot screw is not supposed to be adjusted so it has a tamper proof plug pressed in it.
    Regards
    Boats.net
    Yamaha Outboard Parts

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