Well the little video was the best 10 minutes that the starboard engine ran. The Port engine sounds perfect and generates an impressive amount of thrust.
The throttles are part of the problem that I'm still working on. But even when it was working right , the starboard engine would not take full throttle.
An associate here is excellent at diagnosing the small engines.
Right now I'm wishing I had those 25 horsepower -- 28 lb. engines to bolt on and go ............