This fellow, I can't remember his name, sells Beta Marine diesels, they
use Kubota engines.
He could tell you which one will fit into your boat.
https://www.soundmarinediesel.com/contact.shtml
Bill Coleman
Erie PA.
On 7/9/2026 5:27 PM, Todd Williams via CnC-List wrote:
It's time to replace my 46 year old Universal 5416 (Westerbeke M-20)
in my 1980 C&C 34. Two oil leaks this season and a broken alternator
tensioner bolt make motoring less than confident on the ocean. I
searched the archives but did not see a thread about repowering.
JC Marine, here in New England, has many Yanmar 3YM-30, a newer and
current production 20ish horsepower model. I can start doing the
research but drawing on the wisdom of this wonderful group...
1 - Will a Yanmar 3YM-30 fit in the engine bay? Both through the
stairway opening and when mounted.
2 - Will the motor mounts line up?
3 - Will the transmission line-up?
On the other option, is anyone interested in buying a 1980 C&C 34?
It's a blue hulled, tiller model which I think is awesome when
at anchor to get the full cockpit.
I hope everyone's having more fun than I am!
Todd R. Williams
Saco, ME
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--
Bill
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