Starting fluid is sorta ok, but it has a different burn characteristic than gas, so don't go over board. Of course, if you need it, you know it's time to open up the carbs and find out what's clogged! Personally, I don't use it regularly on anything I own, but when the dirt bikes sit for too long and won't start, I give it a small squirt. It always turns out the idle circuts are clogged. Same may be true with your bike. Or, it could be any other 20 or so things wrong.