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    150 and 200 carburetor difference

    I have a 200 hp that slung a rod and a 150 on my boat. The carburetors look the same. I have not pulled the jets out of the front to compare them. Does anyone know if they will interchange with maybe changing jets?
  2. S

    1979 mercury 150 gear ratio?

    my lower unit went out on my 1979 150. I bought a blew up 200 hp and put lower unit on my 150. I have searched up and down and have found nothing set in stone on gear ratio. Can anyone help?
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