Scroll down to wiring schematic(bottom) of this link
Snapper 250816BE 25" 8 HP Rear Engine Rider Series 16 Exploded Parts Lookup by Model
Snapper 250816BE 25" 8 HP Rear Engine Rider Series 16 Exploded Parts Lookup by Model
Scroll down to wiring schematic(bottom) of this link
Snapper 250816BE 25" 8 HP Rear Engine Rider Series 16 Exploded Parts Lookup by Model
Scroll down to wiring schematic(bottom) of this link
Snapper 250816BE 25" 8 HP Rear Engine Rider Series 16 Exploded Parts Lookup by Model
That tells me that the float needle is not seating, allowing fuel to flow throughout the carb into the crankcase. Time to clean and rebuild the carb, replacing the float needle and seat.
Would any kind of carb cleaner possibly fix this?
Like Rivets said your carb is flooding. You probably know this but make sure you change your oil.