Good morning I am called Georgios and I have a Mariner 150 hp 1997 model 2.5 li Magnum efi on a Poseidon ranieri 5.90m. For some time now I have seen on my sonar and on my voltmeter the instrument of the engine when I raise throttle to 16.2 - 16.5volt !!! Is normal???? I have measured the...
