amaha - Cylinder Crankcase Anode Corrosion Protection Component 68V-11325-01-00. Overview. If you run Yamaha outboards in saltwater, you quickly learn how important the anode system is to long term engine health. The Yamaha Cylinder Crankcase Anode 68V-11325-01-00 is designed to protect internal engine components by attracting corrosion before it reaches critical metal parts. It's one of those maintenance items many Yamaha techs check during routine service, especially on motors that spend their