how long, and what kind of gas sit in the gas tank? ethanol gas leads to many problems. did the battery sit for a year without a charge cycle or so? if you lost a lot of fogging oil, you could still start the engine. i doubt it would be good the run it, very long. the oil, can seep past the rings. depends!! if it got the the oil, i wouldnt run it long. its your Grizz, how safe do you want to be?, is the question..