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. M/C - 2007 YAMAHA (HOTTER HEAT RANGE THAN OE)

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 Plugs (Part Number 5946) are designed to deliver dependable performance and durability in Yamaha YFM550 and YFM700 models from 2009 and 2010. Crafted with OE-quality nickel alloy, these plugs ensure reliable ignition and optimal engine operation. Their robust alumina silicate ceramic insulators provide superior strength and heat transfer, enabling consistent performance even under demanding conditions. The triple gasket sealing method effectively prevents combustion gas leaks, maintaining engine integrity and efficiency. Additionally, the solid copper core enhances heat dissipation and electrical conductivity, promoting smoother engine idling and acceleration. Trivalent metal plating offers excellent resistance to corrosion and seizing, facilitating easy installation and removal over the service life of the plug. These spark plugs are engineered to meet or exceed OE specifications, making them a reliable choice for replacement or maintenance in compatible Yamaha models. Packaged in a box of 10, NGK's plugs are an economical and dependable solution for ongoing engine performance and longevity.

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