Alight guys... I understand after calling Merc that the four beeps when spaced out about 2 minutes apart could be because of water in fuel / low voltage / Oil sensor float.

Replaced the battery with another 800 cca / 1000 mca

Drained fuel in reserve and found a few small drops of water in the fuel

Oil reserve tank on motor is full. If it is the float, I am told to replace the tank.

Assuming the water I found in the reserve is the issue; what is generally done about it? I put HEAT in the tank to try and evaporate the water out. Again, assuming this is the issue. I ran the motor with fuel disconnected to burn off what is left in the engine.

Any help is greatly appreciated.