Yamaha - Hose 2 - 6CB-13546-01-00 Mercury-30HP-EFI-2006 have the panel installed or

have the panel installed or inspected by a qualified marine technician

and fans to resist corrosion in harsh marine conditions

I’ve replaced a lot of these where the issue wasn’t obvious until you got under load

Mercury – Quicksilver Aluminum Anode | For MerCruiser Alpha One Gen II Trim Cylinders | 806189Q1

303 Products - Mold & Mildew Cleaner & Blocker w/Trigger Sprayer - 16 oz

Yamaha - Hose 2 - 6CB-13546-01-00 Mercury-30HP-EFI-2006 have the panel installed or6CB 13546 01 00 HOSE 2 WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.