Fixes OEM rotor issues: magnet detachment, weak charging, stator burnout, and crankshaft vibration. Restores reliable ignition/charging for off‑road and race use. Direct factory fit for straightforward DIY replacement. Heat/vibration resistant build ensures long‑term durability for Yamaha YFZ 450 (2004–2013, non‑R).Compatible with：

2013 Yamaha YFZ 450
2012 Yamaha YFZ 450
2009 Yamaha YFZ 450
2008 Yamaha YFZ 450
2008 Yamaha YFZ 450 SE
2008 Yamaha YFZ 450 SE II
2008 Yamaha YFZ 450 R SE
2007 Yamaha YFZ 450
2007 Yamaha YFZ 450 Bill Balance
2007 Yamaha YFZ 450 SE
2007 Yamaha YFZ 450 SE II
2006 Yamaha YFZ 450
2006 Yamaha YFZ 450 Bill Balance
2006 Yamaha YFZ 450 SE
2005 Yamaha YFZ 450
2005 Yamaha YFZ 450 SE
2004 Yamaha YFZ 450
2004 Yamaha YFZ 450 SE

OEM: 5TG-81450-01-00
5TG-81450-00-00