Aftermarket replacement part for:
2024 Yamaha YFZ 450 R
2023 Yamaha YFZ 450 R
2023 Yamaha YFZ 450 R SE
2022 Yamaha YFZ 450 R
2022 Yamaha YFZ 450 R SE
2021 Yamaha YFZ 450 R
2021 Yamaha YFZ 450 R SE
2020 Yamaha YFZ 450 R
2020 Yamaha YFZ 450 R SE
2019 Yamaha YFZ 450 R
2019 Yamaha YFZ 450 R SE
2018 Yamaha YFZ 450 R
2018 Yamaha YFZ 450 R SE
2017 Yamaha YFZ 450 R
2017 Yamaha YFZ 450 R SE
2016 Yamaha YFZ 450 R
2016 Yamaha YFZ 450 R SE
2015 Yamaha YFZ 450 R
2015 Yamaha YFZ 450 R SE
2014 Yamaha YFZ 450 R
2014 Yamaha YFZ 450 R SE
2013 Yamaha YFZ 450 R
2013 Yamaha YFZ 450 R SE
2012 Yamaha YFZ 450 R
2012 Yamaha YFZ 450 R SE
2011 Yamaha YFZ 450 R
2011 Yamaha YFZ 450 X
2011 Yamaha YFZ 450 R SE
2011 Yamaha YFZ 450 X SE
2010 Yamaha YFZ 450 R
2010 Yamaha YFZ 450 X
2010 Yamaha YFZ 450 R SE
2010 Yamaha YFZ 450 X Bill Balance
2009 Yamaha YFZ 450 R
2009 Yamaha YFZ 450 R SE

Fixes common OEM failures: magnet separation, weak spark, stator overheating, and crankshaft vibration。 Restores consistent ignition and charging for off-road racing and utility use. Direct factory-fit design allows simple DIY replacement. Enhanced heat and vibration resistance extends service life for Yamaha YFZ450R/X 2009–2024。