It starts easy and runs for about 10 minutes and cuts off. Have to wait 30-45 min. to restart with the same cutting off problem. Have always had a problem with restarting even when I shut it down on m

If your oil is too low or even a little bit low or if your machine is sitting on an incline, it will start and run until the oil is dispersed within the motor. Spreading the little amount of oil that is in there all around the inside of the motor would then reduce the amount of oil that is "sensed" by the "low-oil safety shutoff" switch, which would then shut down the engine. Its possible that your "low-oil sensor switch" is bad. You can test it by unplugging it. Just look for a wire that runs from your ignition switch or ignition coil to a sensor mounted on the engine block somewhere. Usually, it just unplugs right at the sensor. Simply unplug it and crank the engine and if it keeps running, then you know you have a bad switch (if you've topped off the oil, of course!).