A couple of things here:
#1 Have you put fresh gas in the tank, or are you still trying to make it run on old pre-mix?
If you haven't done it yet fill the tank with fresh gas. (gas can go bad sitting in a gas can very quickly, lots of variables though).
#2 Get away from that starting fluid, you can "prime" the engine with gas if you really need to. I use a small baseter (like for cooking) and as little gas as possable, but you shouldn't need to do this to get the bike running.
#3 Check the fuel filter (if you haven't already), The gas can might have had a large quantity of crap in it, which now has a new home in your motorcycles fuel tank. Most bikes have a filter at the fuel petcock.
Hope this helps