I'm new with doing maintenence on boats. I watched a couple of videos on changing gear lube. When draining old gear oil does the gear oil in the reservoir drain also or do you need to pump it out.
Second question is....if the gear oil does drain from the reservoir do you have top off the reservoir after screwing the plugs back into the drive or does the reservoir fill when pumping the oil into the drive?
Second question is....if the gear oil does drain from the reservoir do you have top off the reservoir after screwing the plugs back into the drive or does the reservoir fill when pumping the oil into the drive?