I have an M500 that was running but needed the governor adjusted. It sat for a year or so in my garage then I tried to start it and wasn't getting any spark. Looking to sell the machine now. It's the Kohler 2 cylinder gas engine. No ROPS. $1300 should be a reasonable price. Would consider parting it out if enough people need parts. ....let me know. I'm in NY State zip 12831.