I have a T8 and a 115 Yamaha. Had my internal zincs changed out (after 9 years) when I took the boat in for an oil change and tune-up. I do the SaltAway rinse after every trip, but thought a change out would be appropriate. I'm thinking every few years on the internals is cheap insurance.


Edited by bushbear (04/19/17 08:26 PM)