Performance Machined Aluminum Adjustable Stator Timing Back Plate Yamaha YFZ350 Banshee 1987-2006 OEM Repl. 2GU-85510-50-00 3GG-85510-00-00 3GG-85510-01-00 Brand new adjustable stator timing plate aluminium This part is what you need for better ignition tuning! Set at zero for stock timing or advance and retard up to 10 degrees Aluminium plate completely replaces the stock stator plate One year limited warranty.