Zincs on a yanmar 3GM30

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Feb 5, 2012
2
Hunter 36 Blaine, Wash
I have a 36 hunter with a 3GM30 yanmar. I found one zinc near the fuel filter on the side of the engine. I am told there is a second above the transmission. I haven't been able to find it. Can some help? Also if you have any tips on changing it would be appreciated.
 
Dec 2, 1999
15,184
Hunter Vision-36 Rio Vista, CA.
Your best bet is to get a manual. There are very few Yanmar raw water cooled engines so the manual is your best source of info. The fresh water cooled version do not have engine zincs.
 
Nov 6, 2006
9,885
Hunter 34 Mandeville Louisiana
I think there are three on the older engines, Athena.. Two on the side of the engine by the lift pump and filter and one on the back of the cylinder head about level with the exhaust outlet flange.
 
Dec 2, 1999
15,184
Hunter Vision-36 Rio Vista, CA.
I assume that you are referring to a 3GM30 and not a 3GM30F. The 'f' model does NOT have any zincs.
 
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