You can take the float out of the tank and look for damage to it if you have reason to believe that it may be the source of the issue. To accomplish this, you will need to:
Take off the cap of the gas tank.
Turn the float bowl screw counterclockwise to remove it, and then pull the bowl out.
To remove the float assembly, carefully pull it out.
Examine the float for any signs of damage or debris that might prevent it from moving freely and unrestrictedly. If it is dirty, wipe it down with a mild cleaner and wait until it has dried completely before reinstalling it.