October 4, 2010 Dear SanJuan Owner, It has recently come to our attention that there may be a potential problem with the Yanmar engines in your SanJuan. There have been several failures in the 6LY2A-STP 440 hp engines apparently due to defective valves. Even with all regular maintenance having been performed, the engines can fail without any warning, generally requiring replacing the entire engine, a very costly job, to say nothing about losing precious boating time.
