I have 94 ski doo formula z 583. The sled is in average condition and has around 4500 miles on it. The sled has a 583 motor from a 96 mxz. The motor is currently stuck. I don't know exactly what is wrong with it. I haven't pulled it apart at all. I'm willing to part it out or sell it as is. Let me know if you need anything or make me an offer. Located in Nebraska 402 640 3892