Tully

Thank you all for your valuable advice. Apparently the port tank was full, there was an error in the panel- they said we needed to...

Had a learning experience with twin diesel boat. Calculated VERY carefully useable tankage over a period of years. Figured I could make...

New? I doubt if there is a crossover gravity feed. Most likely valves for draw and return. @SeaDogAK explained it well.

Usually there will be a fuel manifold in the engine room with a lot of valves, that should be labeled things like “to port engine,”...

There may not be enough information known. For instance most boats have saddle tanks, one on each side, together with a separate fill on...

As complete newbies, I suggest you hire the best generator/engine guy you can find to give you the answer and at least a 4 hour tutorial...

Has the valve since been closed? Does the boat have a list to one side? To the new boater, you may have to measure at the transom from...