Hey all, this might sound like a dumb question but here it goes. I am at the break in point with this motor where I can run it wide out and when I did I had noticed some sort of hymonic resonance comming from the engine when running at or close to 6000 rpm. It happens about every second or two, fairly faint but there. Is this normal? I now know that the standard prop is no good because it lets the rpms go past 6000 (by about 600). It's my first Honda and 50hp outboard for that matter so any help would be appreciated.<br />Thanks, Don
