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Eric Grant
Finally got the chance to launch and conduct sea trials on my 85' Hunter 28.5 purchased in January. My main concern is the clattering sound in the engine/drivetrain when engine revs are pushed past the 2500 rpm mark. Is this normal? What rpm/speed range is the Yanmar 2gm20 usually operated at? I had the boat surveyed before launch, and all seemed well with the prop/ support shaft and bearing. I also installed new anodes tightly, in the same location as the old ones. If this is a problem, any thoughts on what's causing it, and possible cures. Hope get feedback ASAP as I haven't signed off on the mechanicle holdback on the deal as yet. ThanksEric