hit the cylinders with a can of power tune decarb spray. Let it set over night, cranks it up, blow all the power tune out and recheck your numbers. If the carbs are set up correctly, it should start from cold by just holding the key in while spinning the motor over, once it hits, it will stall, then try to restart, momentarily holding the key switch in, it will start, but try to die out, when it stumbles, bump the key switch in for a sec, it should pick right back up, after about 30 secs it should idle on its own. Let it warm up a bit before putting it under load
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