This is a recurring question, I'm sorry, but I thought that the engine wasn't supposed to be left in neutral to free spin the prop? I put mine in reverse momentarily to feather the Max-prop then in neutral - The shaft stays stopped. Do you think this could have caused the demise of your tranny?
Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Wed, Oct 23, 2019, 9:09 PM Bruce Whitmore via CnC-List < cnc-list@cnc-list.com> wrote: > Hello all, > > If any of you have the Kanzaki KBW 10 (or any other Kanzaki transmission > for that matter), I wanted to let you know what we went through, and what > we found was a really good solution. > > Since we bought our 1994 C&C 37/40+ about 3 years ago, we've always > noticed that sailing with the transmission in neutral resulted in pretty > noticeable noise and vibration. It would spin slower and result in less > noise in forward as well. Believing that the prop shaft was reasonably in > line and without issues, we presumed it was simply a characteristic of the > boat. A few weeks ago, we were out sailing and when I revved the engine, > it sped up dramatically, then engaged, obviously indicating the > transmission was slipping. What a bummer! > > I searched all around the internet, finding very little about this > transmission. I priced the fiber and steel plates and thrust washers > through Yanmar, resulting in a very disappointing number of somewhat more > than $800 if I am remembering correctly. My local Yanmar dealer even > indicated they would send out the transmission to Ft. Lauderdale, say they > did not overhaul them. Beyond that I heard indications that parts were > becoming increasingly difficult to find, and others recommending > replacement with a different transmission entirely. You can imagine my > sense of doom. > > Finally, I came across an old posting going back to 2015 or so, mentioning > Al Holzer at Schooner Bay Marina in Bayfield, WI. Being from the Midwest, > I was cautiously optimistic, having found most folks in that part of the > world to be hard working, honest types. Al priced out the parts, and he > must have better sources, because they were much more reasonable, though he > advise me that on my particular transmission, the bearings commonly spin > and damage the case. Opting to go with a properly rebuilt transmission, > Al took only a couple days to overhaul one in his shop and sent out a fully > rebuilt unit for $1,500, offering to pay for the return shipping of the old > unit. > > Despite having to fight with some frozen (and subsequently broken) bolts > on my old unit, the new transmission fit in perfectly. The flanges aligned > with something like .002 variance on my feeler gauge, and maybe not even > that much. We took the boat out sailing, and when I left it in neutral and > went down below, I heard virtual silence from the drive train. Upon > removing the rear engine cover, I only heard a quiet whooshing sound, much > like you would expect from a small 12 volt fan on low speed. > > To say I am happy with Al's services would be an understatement. > > More can be found about Al and Schooner Bay Marina here: > https://schoonerbaymarinallc.com/site/ > > Hopefully you will not have transmission issues like I did, but if you do, > I recommend contacting Al! > > Hoping you find this helpful, > > Bruce Whitmore > 1994 C&C 37/40+ > "Astralis" > Madeira Beach, FL > (847) 404-5092 (mobile) > bwhitm...@sbcglobal.net > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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