NGK Standard spark plugs (in the iconic NGK 'yellow box' packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

This Part Fits:

Year	Make	Model	Submodel
2015-2018	Yamaha	WR250F	Base
2014-2018	Yamaha	YZ250F	Base
2015-2019	Yamaha	YZ250FX	Base
2020	Yamaha	YZ450F	Base