Videos What is a Tell Tale? April 28, 2017December 11, 2017 The Next Bite Gary Parsons, Mercury, Mercury Verado, Videos Gary Parsons goes over what the tell tale on your Mercury Marine engine means. Other Related Posts: Mercury Marine Rigging Accessories: Battery Plate… Mercury Pro XS Overview and Highlights Tommy Kemos goes over Precision Trolling Data Use Your Mercury Smart Craft Gauge to Watch Fuel Usage