Originally Posted by oqueoque
I will check the fuel level next time. I was having the same problem with my 21" honda, but since I switched the fuel and replaced the plug, the honda runs fine. They both use the BPR5ES plug and I thought it might have been some bad plugs out there. I have not switched the Exmark plug yet. I have other mowers, but only those two were doing this. I never had this happen before.
I have the exmark 21,26 and 30 that all run the same engine and pos fuel tank. I have had the same issue with all three. On my 26 I am running it with a Toro vented fuel cap