Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Try draining the carburetor float bowl, it may have water in it, Seems to always get there in a pressure washer. If not, then remove the spark plug and with it grounded, see if you have spark when cranking. If it has spark, put a teaspoon of fuel direct into the cylinder, re-install the spark plug and see if it will start.