If you kept trying to fire your engine its flooded take the glow plug out turn over let it drain if it a pull start pull a couple of times. Pull the glow plug put on your igniter verify if its glows bright. Dont worry about the tank for now start with the motor. Make sure your head screws are tight along with the glow plug. Prime the line again make sure you see fuel flowing stop right before the fuel inlet see if it starts.