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. NGK Standard spark plugs are proven technology that offer reliable performance. Actual OE or equivalent replacement spark plug. NGK Standard plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. O/B - 2004-1987 YAMAHA

TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
Trivalent metal plating for superior anti-corrosion and anti-seizing properties
Corrugated ribs prevent flashover
Copper core aids in heat removal
Triple seals prevent leakage

The NGK Standard Spark Plug BR9HS-10, packaged in the iconic yellow box, is engineered to meet the original equipment specifications for Yamaha motorcycles from 1987 to 2004. Designed with durability and performance in mind, this spark plug features a high-grade nickel alloy construction that ensures reliable ignition and efficient combustion. The solid copper core provides superior heat dissipation, promoting optimal engine performance and longevity. Featuring advanced ceramic insulators made from alumina silicate, the plug offers enhanced strength and superior heat transfer capabilities, helping to prevent pre-ignition and fouling. The triple gasket sealing system effectively prevents combustion gas leakage, maintaining consistent performance under various operating conditions. Trivalent metal plating enhances corrosion resistance and prevents seizing, making installation and removal straightforward and hassle-free. These specifications make the NGK BR9HS-10 a trusted choice for OEM replacements and high-quality engine maintenance. Whether you're restoring a Yamaha or performing routine replacements, this spark plug delivers the dependable performance and durability that NGK is renowned for, ensuring your engine runs smoothly and efficiently over time.

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