looking for help with a 1991 mercury 100 hp 2+2

randy01

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Joined
Feb 28, 2012
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I would love to get rid of the 2x2 system on my motor. I live in Alaska and run the boat year round but a motor that only runs on two cylinders in these temps doesn't work well. My question is if I pick up two carbs that match the upper two carbs can I just change out the bottom two carbs. I realize that they will all four need to be adjusted and synced. Will that convert it into a normal running motor or is there more to it? I appreciate any help I can get. I have read different post from other forums saying don't mess with the carbs, just live with it, but never any real answers.
 
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