Agriculture and Farm Equipment
Agriculture and Farm Equipment Repair Questions? Ask a Mechanic.
Wet plugs, have you checked for spark at the plugs? With twin engine, you would have to loose spark to both sides to not start. For carburetor to flood the engine, the needle valve and float would have to be not shutting off the fuel incoming from the tank.
If no spark, the engine has dual pickup coils, dual coils , but a singe igniter. So igniter would be suspect.
Here is test for igniter, see link below.
Did you check it for spark? If it has spark, the carburetor would be the fault. But if no spark, carburetor may not be.
If you won't check for spark, I can't make you. But cylinder will flood if there is no spark. I will opt out and let someone else help. Please do not respond to me or it will lock your question. Sorry.
Has the carburetor been replaced?