Hi i have a 07/08 Hyosung comet gt650 that i recently bought second ha

Hi i have a 07/08 Hyosung comet gt650 that i recently bought second hand and it hasnt been started in over a year and a half also. I have replaced the engine oil in it and have put new fuel in the tank aswell, it has no starter motor and is missing a hazard relay but has everything else it needs to run.
So i was woundering if there is anything i need for it to actually run/start?

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