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Message: <blockquote data-quote="kap258" data-source="post: 4655" data-attributes="member: 651"><p>I can confirm that these u-joints will break. I just replaced the engine in my 743 and inspected the u-joint and greased it real well before I put it back together. I have put 4 hours on it since the new engine and today the u-joint broke. There was a very loud noise and then then nothing worked, but the engine runs great. When I opened up the back I found some pieces of the u-joint in the engine compartment. I am not looking forward to taking the engine out again.</p></blockquote><p></p>