Re: Mercruiser Saltwater Flushing
I just finished winterizing my MerCruiser MAG MPI. My owners manual just said "flush", "with fresh water" is assumed. However, any of the above products will help prolong the life of the engine. Mines a straight inboard so I just disconnected the intake hose, put the hose in a bucket and ran the engine for a while using fresh water. I then pulled the garden hose out of the bucket and dumped the -60 degree purple anti-freeze in there, I was told the purple stuff had better chemicals to protect the metal better......<br /><br />Good Luck