Honda big red won t start after no oil in it?

I have a Honda big red fourtrax 250, 2007 I think. I ran with no oil in (didn t check oil) and it cut out. I immediately put oil in and it won t start back up. There is a spark and petrol getting to it. I have cleand carb and and put a bit petrol into wer the spark plug is going. The lights flash wen touching wires so could it be an electrical fault?

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