Avon Lake Ohio 0 Report post Posted June 24, 2012 I have a 2011 MerCruiser's 5.0L, 350 MAG (5.7L) BROVO III I/O and am getting a single beep every 60 seconds? Any Ideas? The Owners manual does not reference a singe beep... Share this post Link to post Share on other sites
Rip5 0 Report post Posted July 2, 2012 Check your drive lube. If it is even close to low, an alarm will sound. Share this post Link to post Share on other sites
