Okay at least you got it in the right section... so I will bite.
Check your injector o-rings.
They are a common point of failure causing excess fuel to seep into the cylinder and flood it w fuel. Cheap and easy to replace, if you haven't done so already
We do have a small question thread for this very reason...
https://zilvia.net/f/showthread.php?t=297481&page=762