This is a Yamaha Banshee 350 or Raptor 660 flywheel degree key
This is an aftermarket VITOS RACING performance plus +7 advance degree timing flywheel key
Also known as a woodruff key or timing key
This goes on the crankshaft, and hold the flywheel in place at the correct position
This came off of a newer Banshee that ran perfectly!
It will work on any year Banshee 1987 - 2006, or Raptor 660 2001-2005