Check the flywheel key.--------Check for spark.------Perhaps the powerpack failed.
Tank vent open?
Well if the key shears you will still have spark.-------I am not there to do some simple checks for you.------Is there fuel in your tank ?----Did the hose connecter fall off ?-----Water in the fuel ?-----Any fuel in the carburetor ?-----Compression checked ?-----Failed head gasket ?
Well if the key shears you will still have spark.-------I am not there to do some simple checks for you.------Is there fuel in your tank ?----Did the hose connecter fall off ?-----Water in the fuel ?-----Any fuel in the carburetor ?-----Compression checked ?-----Failed head gasket ?
To get at the key, pull the flywheel. That is if you can't see anything after you remove the flywheel nut.