I’m getting a reading for one motor on both of my gauges. These are two 06 yam 115 4strokes. Port motor doesn’t show up on gauge while star shows on both. Fuel gauge is reading full tank at all times as well. Any ideas? Thanks.
I am not a boat mechanic, but sounds like you may have a lose/bad/corroded ground wire some were in the system most probably on the gauge.
Just my .02 