Re: Which engines would you think twice about
Westerbeke is not an engine. They are a contractor who put out bids for parts, including engine blocks, and then build them up and paint the finished product all red. (Including all the rubber parts, belts, hoses, that the suppliers tell you never to paint.)
So when you buy a "Westerbeke" you really have to find out who made the actual block. The main portions of your engine could come from any one of a number of different companies, depending on which block it is.
Yes they make a number of decent engines, but it is the "paint it all red, don't listen to the prime vendors who say that will make their parts fail" portion that rubs me the wrong way.