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. ATV - 2004-97 LEM, 2005-00 UTD MOTORS, M/C - 2003-96 APRILIA, 1982 HON, 2001-98 YAM, PWC - 1997-95 MASTERCRAFT, 2005-90 YAM, SNOW - 1998-82 YAM, I/O - 2005-96 YAM, O/B - 2001-94 MARINER, 2006-95 MERCURY, 1981-77 SPIRIT, 2000-80 SUZ

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 (Part #4322) delivers reliable ignition performance tailored for Yamaha, marine, ATV, snowmobile, and personal watercraft engines from the late 1970s through the early 2000s. Engineered specifically for OE applications, these spark plugs utilize a high-grade nickel alloy and feature a durable alumina silicate ceramic insulator that offers superior heat transfer and mechanical strength. The solid copper core enhances heat dissipation, ensuring optimal engine performance across a broad heat range. Triple gasket seals provide a reliable barrier against combustion gas leakage, maintaining engine efficiency and reducing maintenance needs. Trivalent metal plating offers exceptional anti-corrosion and anti-seizing properties, simplifying installation and removal over the lifespan of the spark plug. These plugs are a proven OE replacement, ensuring compatibility with Yamaha models like the SJ650 Super Jet, WR650 WaveRunner LX, and FX700 FX-1, among others. Whether used in recreational watercraft or off-road vehicles, NGK Standard spark plugs are trusted for their durability and consistent performance. The corrosion-resistant coating and robust design make them suitable for demanding environments, providing peace of mind and extended service life for your engine. Designed for ease of installation, these plugs come in a convenient box of four, ready to deliver dependable ignition spark every time you start your engine. Suitable for a variety of applications including personal watercraft, snowmobiles, and motorcycles, these NGK plugs uphold the brand's reputation for quality and reliability in ignition technology.

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