My Mercruiser 350 normally gets a spring tune up, i.e. new plugs,
timing, etc, etc. Are new plugs necessary every year? What *must* be
done every spring. All the fluids were changed in the fall, and the
batteries were kept on a charger most of the winter.

Thanks.

John H

On the 'Poco Loco' out of Deale, MD
on the beautiful Chesapeake Bay!