Aloha everyone, Just signed up to the site although I have read it for a while. I am the volunteer turf manager for the Maui Polo Club. We have a 9 acre field that is mostly Kikua with some nice big areas of bermuda. We just bought a used 580 so we can mow it year round. In the past it went long for 7 months and we would pay someone to cut it short then HAND RAKE the sucker so we could use our pre-historic parkmaster ( now dead) I scored a nice rotary toro 5300 from a country club but it is just too vast to do regularly with that. So, we shipped to 580 from Texas with 2600 hours on it. All is well except for the right hand deck motor leaks. i downloaded the parts manual and service manual from toro and the local dealer HOSED me for $60 for what turned out to a simple lip seal and O-ring. I pulled the motor, changed the ring and seal, put it back in, and it still leaks. Any suggestions on getting another "ultra" motor or how to fix it? Many thanks.