You might give Trans Atlantic Diesel a call. They sometimes have good used M-20's in stock.
There are a couple used ones by private sellers on eBay. Might be a bit risky. -- Dennis C. Touche' 35-1 #83 Mandeville, LA On Thu, Jul 9, 2026 at 4:28 PM Todd Williams via CnC-List < [email protected]> 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 > > > Please help cover the costs of maintaining this list by making a small > contribution using PayPal at: https://www.paypal.com/paypalme/stumurray > All contributions are greatly appreciated.
Please help cover the costs of maintaining this list by making a small contribution using PayPal at: https://www.paypal.com/paypalme/stumurray All contributions are greatly appreciated.
