I bought this motor on the promise that it runned good , and it starts right up and idles ok but when rebbed up to accelerate it makes duhs duhs sound can anyone help me ID the problem thanks,, hope this video goes through
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Based upon your video, there is nothing wrong with your engine. It incorporates an RPM limiter which is active when the engine is in neutral. The purpose of the limiter is to prevent excessive RPM with the engine unloaded. It prevents doing what you were attempting to do in the video.
Put the boat in the water and enjoy it.
if its not much to ask can you Id the year of this motor with this been the only number i can find on this motor g3220301
"There is never just one thing wrong with a boat";
-- Travis McGee, main character in a book series by John D. McDonald
The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around moving parts, near high-temperature components, and working with electrical or ignition systems.
The information offered here is only general in nature and should not be construed as complete factory approved procedures, techniques, or specifications. Always use the proper service manual for your motor, up-to-date service literature, the correct tools, and have an understanding of how to proceed with troubleshooting and repair methods. If you are unsure or uncomfortable with a procedure, a situation, or a technique, enlist the services of a factory trained technician.