Thanks to all of you for responding. The boat was surveyed and sea trialed and it was fine then. This is new development. I will look into IAC first I think.
New to boating. Just bought a 2006 320 Sundancer and have taken it out 5 or 6 times. The twin throttles on the R side of helm I've noticed the port engine idles around 400 RPM when pulled all the way back whereas the starboard engine idles around 550-600. Last time out the port engine was...