NGK CR4HSA Standard Spark Plugs – Reliable OE-Quality Performance for Yamaha Engines

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 - 2004-1985 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

NGK CR4HSA Standard Spark Plugs are designed to deliver dependable ignition performance for Yamaha motorcycle engines from 1985 to 2004. Packaged in the iconic yellow box, these spark plugs are engineered to meet or exceed original equipment specifications, ensuring optimal engine operation and longevity. The high-grade nickel alloy construction provides durable and consistent sparks, contributing to smooth engine performance and efficient fuel combustion. The robust alumina silicate ceramic insulator enhances heat transfer and insulator strength, reducing the risk of misfires and providing reliable operation across a wide range of operating conditions. Trivalent metal plating on the terminal and shell offers superior anti-corrosion and anti-seizing properties, facilitating easier installation and removal over multiple maintenance cycles. The triple gasket sealing system prevents any combustion gas leakage, maintaining engine efficiency and reducing emissions. The solid copper core aids in rapid heat dissipation, preventing fouling and overheating, which extends the lifespan of the spark plug and maintains engine responsiveness. Designed specifically for OE applications, these plugs are an ideal replacement for Yamaha engines from 1985 through 2004, ensuring seamless fit and function. Whether for routine maintenance or engine restoration, NGK's proven technology guarantees consistent performance and durability, making these spark plugs a reliable choice for motorcycle enthusiasts and professional mechanics alike.

Features:

• 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

• Triple gasket sealing: Prevents combustion gas leakage for optimal engine performance

• Copper core: Aids in heat removal to prevent fouling and overheating

• Corrugated ribs: Prevent flashover and improve insulator performance