OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Engines Questions On Briggs & Stratton Engines B&S 500 series

Here is the illustrated parts list for that engine:
http://bsintek.basco.com/BriggsDocumentDisplay/18ktuKXTnfBhU7y.pdf

Here is the operator's manual:
http://bsintek.basco.com/BriggsDocumentDisplay/iorpzNJU0HBjhJvcv4.pdf

If you are looking for the workshop manual, that engine is covered by Briggs & Stratton Part Number 270962 Single Cylinder L-Head Tech Manual, which can be downloaded from the manuals section of this site.