I asked the question because it is common for you to have to restart on a cold engine a few times. In other words if it starts than dies you restart it. As long as it keeps running after 2 or 3 tries. If it doesn't keep running after the third try then Iwould look for possible trash in carb like GX150 has said. The higher idle is normal as long as it idles down after 1 minute or so. The GY6 and cn/cf-250 engines are proving to be more and more difficult to pass the epa requirements needed for importation into this country. The jetting has been leaned out to get these engines to pass. Without being there to witness in person I cannot be 100% sure but from what you had posted it sounds normal. If this problem persists after engine is at operating temp then I would suspect a problem.
Tom
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