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BF20 2007 model vibration and variating rpm

I couldn't get your video to run. When the link took me to your clip, the time scale at the bottom read "0.00"

Anyway, taking a swag at your issue...

From what you describe it sounds to me like you may have a cylinder cutting out for some reason. Trying a new set of spark plugs (NGK only) is what I would try first.

Good luck.
 
I don't know anything about this engine. BUT, looking at the video, I would agree with JGMO - looks and sounds like you are dropping a cylinder. Agree to start with changing out the plugs.
 
Motor sounds like it's going into guardian mode, you sure it's not overheating, because that is typically what they do, drop out a cylinder and then cut out.
 
Hi and thanks to all
will try change both spark plug as a first step.
if it is the same, may I have to look into a failure
on temp sensor, a failure without activating alarm.
Have an idea about suction air in fuel line as one since I change
filter earlier.
 
Very good!
Yes, spark plugs aren't "forever"....especially in the marine environment.
Thank you for the feedback and hoping the rest of your boating season goes well.
 
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