I have a 426 with a yanmar engine and Panda Gen Set. How many zinks are on the typical Hunter? Is there just one on the prop shaft? Or is there one integral to the engine, how about the gen set? Thanks for any insight, ED
No such thing as typical - it depends on the type engine, prop and genset. For example, my Yanmar has no zinc designed for it. My Maxprop has 2; one on the prop itself and one on the shaft which is "typical" for my setup. Same for the genset. Check out the design requirements for each Don
I had those great line-cutters on my boat, but there are SEPARATE zincs. THe one on the prop did not protect them and they were eaten away by corrosion. A a general rule then anything with a zinc should have the zinces replaced - our diver did not notice them and/or may have assumed that the prop zinc would do the trick. Thanks Jim W
Hi Ed, I put two zincs on the prop shaft of our...
1991 P42. They last about a year in our Puget Sound waters. The Yanmar main propulsion engine does not have sincs because it is a captive cooled system. Even though our 8kw Onan GenSet is captive cooled it has a pencil zinc in the heat exchanger, which I replaced what was left of it earlier this year. Terry
The Yanmar 2QM-15 in my 81 H30 uses 2 zincs. It is salt water cooled. One is on the front and one on the back. They are screwed in with square plugs sticking out of the engine. the plugs have a red sicker that says "Zinc" on it for easy identification on my motor.
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