Fixes no charging, weak power generation, stator burnout, voltage spikes and flywheel magnet failure. Restores consistent ignition and charging performance for off‑road and competitive use. Direct bolt‑on installation matches original wiring and mounting points with no modification needed. Built to withstand extreme heat and vibration, ensuring long‑term reliability for Yamaha YFZ 450 R/X models.

Compatible with ：

2025 Yamaha YFZ 450 R
2025 Yamaha YFZ 450 R SE
2025 Yamaha YFZ 450 R S
2024 Yamaha YFZ 450 R SE
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
OEM: 108128-R00 18P-81410-00-00 5BN-81960-00-00