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Re: New Honda 2.3 outboard not running
Sure sounds like a fuel delivery problem. Today's "modern" ethanol fuels can wreak havoc in small gas engines with carburetors that aren't used every day, and slime/gunk can form quickly, especially in warm weather. Sometimes, a good fuel system clean can solve it. In the worst case, a complete cleaning of the fuel system / carburetor is required. Typically, poor running due to a fuel deterioration issue is not considered a factory defect so isn't covered under warranty. A Honda dealer can still repair it, but at your expense. If you want to DIY, it is not too difficult; a few hand tools, and take your time. Here are a couple of pages from the shop manual; use a good quality carb cleaner a lots of compressed air to clean all the passages...
Caveat: I work for Honda, but the preceding is my opinion alone.