Featuring a 98% pure copper core and high-grade alumina silicate ceramic for improved throttle response, service life and performance.

Additional Info

• Cold-rolled threads

• Trivalent plating

• Specialized ground electrode designs

Fitment

• 2015 Yamaha YZ250FX

• 2016 Yamaha YZ250FX

• 2017 Yamaha YZ250FX

• 2014 Yamaha YZ250F

• 2015 Yamaha YZ250F

• 2016 Yamaha YZ250F

• 2017 Yamaha YZ250F

• 2015 Yamaha WR250F

• 2016 Yamaha WR250F

• 2017 Yamaha WR250F

• 2018 Yamaha YZ250F

• 2018 Yamaha YZ250FX

• 2018 Yamaha WR250F

• 2019 Yamaha YZ250FX

• 2020 Yamaha YZ450F

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