roll it over.
remove the plugs, ground the wires.
pump the primer, or if you dont have one, pour a few spoons of fresh fuel/oil mix in the carb
hit the starter, do this until NO water mist comes out.
you might have to charge and recharge the battery during this process.
when its done spitting.
fresh plugs, prime or dump fuel in the carb again.
if it doesnt fire over, youve got issues.