Originally Posted by lawnoasis
I have an eight yr old exmark 60"ZTR with 2500+ hrs on it, I let it idle for 2 mins or so before I shut it off, but it continues to run on after that. Could this be anything other than carbon deposits on the piston heads? What's the best product out there for cleaning fuel deposits? Thanks.
What do you mean by "run on"? Do you have to pull the plug wire to shut it down or does it have a delay before it shuts down and how does it sound when it does shut down. Need a little more to go on.