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Message: <blockquote data-quote="lecuyerb" data-source="post: 41391" data-attributes="member: 629"><p>These engines are amazing. I have a 731 that ran ok. a little bit of vibration. It got worse over the next 500 or so hours. I tore the top end apart and one cyl had 3/8"-1/2" of play between the rod and crank. I could not believe the other cyl had enough compression to even start with the dead cyl but it did. It ran and started on half a crank till the play go to much and it just died one day. I had no idea there was even a problem sure it was down on powerbut I just did light stuff like trneching and material moving. I have since rebuilt the entire engine - very expensive even with cheap aftermarket parts - new cyls new crank/rods - everything all chinese or indian not sure and it was still like $2200. But other than getting the cyls and exhaust all lined it it is a dream now - I never plan to sell it. You can make the wiring harness if you get the manual of ebay or somewhere there is really only a few wires and it is very very simple.... Brian</p></blockquote><p></p>