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  1. J

    What is the Johnson 1949 seahourse air needle setting?

    I have a question on the Y needle settings for a 1949 Johnson Seahorse HD25 motor. This one is a 2.5 hp two cylinder engine. The gas line from the carb goes to an odd looking upsidown Y air mixing that has a hole in the center of the Y. On one side is a needle for maybe Air, the other side...
  2. J

    What year is my Johnson Seahorse HD25 745587

    Would someone be able to locate the manufacture year of my Johnson Seahorse HD25 serial #745587 ? I was trying to locate a document that would give me a year range for serial numbers, but no luck. Thank you in advance for your assistance. Regards, John
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