This is my first time changing the oil myself. I have the original owner's manual, but some of the pages which instruct on this are missing. My lower unit has an upper and lower gearcase. Should there be two different fill holes or are both filled from the same fill hole on the side? I...
I have an '81 OMC 120 stern drive that starts missing after I have run the boat for a good half hour, less time if fully loaded with passengers. I have tried replacing the coil, which worked the first time this happened a few years ago, but that does not seem to be the issue now, as I have tried...
