Small Engines (Lawn Mowers, etc.): lawn mower, briggs and stratton, flywheel

Question
hello i have a briggs and stratton 8hp mower and i need help to get it up and running again when i turn the key the flywheel spins and bit but nothing happines the engine was seized on it but i un seized it and not it will not fire up and it is a racing mower and i want it running again can u help me thank u wayne

Answer
  How did you free it up?  If it was locked up, then you need to explore that and the damage looked at and repaired.  So I would start by removing the head and looking at the condition of the cylinder and valve movement and seating.  And if it was locked up, then freed, then the rod will likely become loose, and fly apart while running, so you will have to check that.

   If it did lock up while running, then the flywheel key may be sheared as well.