1994 Mercury 175 Blackmax OB Beeping alarm sounds !!!!

[goodtimes70]

I needed some help for my 1994 Mercury 175 black max OB. The motor is starting and running good but making beeping sounds( not constantly) when running at 30-40 m/h. Had enough oil in both tanks and peeing good.No beepings below or over 30-40m/h.Any help would greatly appreciated !!!