air filter is clogged
That is my guess as well. 2 months isn't long enough for the gas to be an issue.
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air filter is clogged
Try cracking the gas cap a bit, might have a vacuum in the tank if the vent is not working well. Had a string trimmer that had that issue.
Did you leave the fuel tank cap off or really loose to try it? If that doesn't help, then pull the air filter and leave it off. Do both just to crank and troubleshoot, to help identify your problem.