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October 23, 2022 at 11:23 am
#268093
That’s because your 1960 Fastwin never came with any anodes. The older Johnson/Evinrudes were designed more for use in fresh water than salt water, unlike todays motors which are equipped with anodes from the factory but should still be rinsed with fresh water after use in the salt.
If you are thinking of installing one, a small one can be installed on the TOP of the anti ventilation plate, not on the bottom, to keep it from interfering with operation of the prop.
Generally, zinc or aluminum anodes are used in salt water while magnesium ones are used in fresh water.