That's what I do as well. I put mixed gas/oil in a spray bottle to make it easier. Some say it's OK to use starter fluid to check if a saw will fire/run, but I'm one of those nancy boys who wants oil in the gas any time I put it in a chainsaw. :msp_wink:
Spray some mix down the throat of the carb, turn the kill switch on and pull away....if it runs it's a fuel problem (carb, line, filter). If it doesn't.... its a spark problem, that simple!!